If you add​ Natalie's age and​ Fred's age, the result is 42 . If you add​ Fred's age to 4 times​ Natalie's age, the result is 84 . Write and solve a system of equations to find how old Fred and Natalie are.

Answer:Fred is 28 and Natalie is 14

1. 5 cups to 8 cups 2. 150 pounds to 135 pounds
Increase or Decrease Increase or Decrease

Work: Work:


Percentage: Percentage:

plz help on both problems thanks

There are red, blue, and black marbles in a bag. •The probability of pulling out a red marble is 2/5. •The probability of pulling out a black marble is 1/10. •One marble is pulled out at random. What is the probability the marble will be blue?
A. 7/10
B. 3/5
C. 1/2
D. 3/10

please answer (will rate 5 stars

Is the following statement TRUE or FALSE?

Abiotic factors do NOT affect which organisms can live in a particular biome.



True
False
Question 3 (2 points)
Is the following statement TRUE or FALSE?

A biome is partly characterized by specific plant and animal species that have certain adaptations that allow them to survive and be found in a particular type of biome.

True
False
Question 4 (2 points)
Is the following statement TRUE or FALSE?

It is mostly the climate - the average annual temperature and amount of precipitation - in an area that determines its biome.

True
False
Question 5 (8 points)
Match each picture below with the name of the major biome type that it shows.

Column A
1.


:


2.


:


3.


:


4.


:


Column B
a.
Desert Biome

b.
Grassland Biome

c.
Tundra Biome

d.
Boreal Forest Biome

Question 6 (3 points)
Which major land biome has the coldest climate and is also characterized by extremely dry & windy conditions?

a
Desert
b
Tundra
c
Grassland
d
Deciduous Forest
e
Boreal Forest
f
Tropical Rainforest
Question 7 (3 points)
Which major land biome is also referred to sometimes by it's Russian name, the "Taiga"?

a
Desert
b
Tundra
c
Tropical Rainforest
d
Boreal Forest
e
Deciduous Forest
f
Grassland
Question 8 (3 points)
Organisms in the Desert biome must be adapted to little or no rain and to extreme temperatures. Which of these organisms might be found living in a Desert biome?

a
lizard
b
white-tailed deer
c
giraffe
d
arctic fox
e
lion
Question 9 (3 points)
Which of the major land biomes has four distinct seasons & consists of trees that shed and lose their leaves during a specific season?

a
Tundra
b
Grassland
c
Desert
d
Deciduous Forest
e
Boreal Forest
f
Tropical Rainforest
Question 10 (3 points)
The Tundra biome has a layer of subsoil that remains frozen all year.

What is this layer of permanently frozen subsoil called?

a
glacier
b
icicles
c
snow-frost
d
permafrost
Question 11 (3 points)
"Biodiversity" is a vocabulary term that describes the number of different species that live within a particular ecosystem.

Which of the major land biomes is the most diverse since it is home to more than half of the world's estimated 10 million species of plants and animals?

a
Boreal Forest
b
Deciduous Forest
c
Desert
d
Grassland
e
Tropical Rainforest
f
Tundra
Question 12 (3 points)
All species of evergreen trees are cone-shaped trees that either grow needles, scale-like leaves, or even produce cones (such as pine cones) which help them to prevent water loss during very cold winters when all the water is frozen. These types of trees are considered to be coniferous trees.

Which of the major land biomes might you expect to find these coniferous species of evergreen trees?

a
Deciduous Forest
b
Desert
c
Boreal Forest
d
Grassland
e
Tundra
f
Topical Rainforest
Question 13 (3 points)
Which major land biome would you only find a few scattered areas of trees and shrubs since it is populated mostly by different types of tall and short grasses? (You would also see many species of large herbivore animals grazing on the plant life in this biome).

a
Grassland
b
Tundra
c
Tropical Rainforest
d
Desert
e
Deciduous Forest
f
Boreal Forest

Plz helpppp

Definition: Involving the use of variables, properties, expressions, and equations.

Here are the answer choices

A. Each year the number of the new members using the website is more that the year before.
B. Since 2003 there have been 200 members added every 2.5 years.
C. The website received over 200 hundred members in 2004.
D. The website had 200 operating members at the end of 2003.

I need you guys to show work too please one by one make sure to answer every single one also this is apart of them from my homework packet so please make your answer count

What is the area of this polygon?
A) 24 cm2
B) 16 cm2
C) 40 cm2
D) 18 cm2

If you answer this correctly I will give the brainiest and ANSWER ALL OF THEM 1 through 4 plz I beg you

Which is a Function and which isn't a Function

WILL GIVE BRAINLIEST
Match the cube roots and square roots with their values.

please see picture as shown below and answer. ;]

The following scenario is for #7, 8, 9, and 10 on this test.* A sign in a bakery gives the following options: Option A is 12 cupcakes for $30. Option B is 24 cupcakes for $66. Option C is 50 cupcakes for $129. What is the cost of one cupcake for Option B?

If you add​ Natalie's age and​ Fred's age, the result is 42 . If you add​ Fred's age to 4 times​ Natalie's age, the result is 84 . Write and solve a system of equations to find how old Fred and Natalie are?

Two exponential functions are shown.

If f(x)=3x and g(x)=3x+c, what is the value of the constant c?

Select one:
A. 1
B. 3
C. 4
D. -4

a car drives 10 1/2 miles in 1/6 hour. what is its speed in miles per hour

Show the work please thanks

Algebra 1 unit 6- need help asap please show work. Answers that are not applicable will be reported. thanks to whoever helps!

1. Without using a calculator, place the following values from greatest to least. You may use a calculator to check your answers. Show all your work. (see screenshot)

2.Place the following values from greatest to least, where x is a real number. You will need to first simplify the expressions, then choose your domain. Start with when x>1. What about when x<-1? Does your answer change? What about 0

A survey found that 2 out of 8 students do not own a pet. If there are 480 students in a school, what is a reasonable prediction for the number of students who own a pet?


a.
360

b.
12

c.
120

d.
36

Evaluate the expression for the given value of x
1.1x - 4.9 for x = 9
THANK YOU :)

I need help answer as quick as you can please

Using the spinner shown,what is p(6,then 6) when spinning the spinner shown at the right twice​

What are the answers to these

equation 9 x j(2 + 5).

You will now use mathematical properties to create two expressions that are equivalent to the expression you created in Question 1. Make sure you show all steps in your work.

Write a division expression for the fraction, 9/13

The table shows the number of hours spent practicing singing each week in three samples of 10 randomly selected chorus members.

Which statement is most accurate based on the data?

A). A prediction based on the data is reliable because the means of

the samples are close together.

B). A prediction based on the data is reliable because each sample

has 10 data points.

C). A prediction based on the data is not completely reliable, because

the means are not the same.

D.) A prediction based on the data is not completely reliable, because

the means of samples 1 and 2 are greater than 9 and the mean of

sample 3 is less than 9.

PLS HELP 7X < 63


thanks

hel0 me I will mark brainliest

What is 8x-7(x+3)+5x

pls help I don't get it

equation: 9 x j(2 + 5).

You will now use mathematical properties to create two expressions that are equivalent to the expression you created in Question 1. Make sure you show all steps in your work

The area of one side of a U.S. 50-cent piece is 735 square millimeters. What is the diameter of the half-dollar, rounded to the nearest tenth. Use 3.14 for the value of π. The diameter = _______ mm.