PLEASE HELP I WILL GIVE 20 POINTS!

Im not 12 or I am not 12? What is a good estimate and the actual measurement for this angle measurement A110 and 109 B95 and 96 c 90 And 91 D 70 and 71 Select the correct answer. What is the advantage of an online database? A. requires many hardware components B. increases costs C. saves money D. no technical problems A solution is prepared by adding 91.9 g of ethanol, ch3ch2oh, to 481.0 ml of water. the final volume of the solution is 597.5 ml. assuming the density of water is 1.0 g/ml and the density of ethanol is 0.789 g/ml, calculate the molality of the ethanol in the solution. help please i will mark as brainliest Suppose 3.5g of calcium chloride reacts with 6.39g of silver nitrate.How many moles of calcium nitrate would be produced?Balanced Equation =Limiting Reactant =Excess Reactant = PLEASE SOMEBODY EXPLAIN THIS :((( Which combination of factors is most likely to produce a significant value for an independent-measures t statistic?. Which two examples describe a job board?a website that only lists internal job opportunities at a companya website that posts only jobs related to the banking industrya website where professionals in a field can talk to each othera website that lists vacant jobs for the federal governmenta website where employers can view a candidates social media profile What is the length of the hypotenuse? What is the number of moles of ammonia gas formed when 0.5 mole of nitrogen gas is reacted with excess of hydrogen gas? open the door.(change into passive) define open and close type of circulatory system which is found in men Which two numbers have a 3 that is 10 times the value of the 3 in 1,249.35? How long does it take light to reach Earth from an object on light-year away? A certain lake is 85 feet deep. After a hurricane,the level of the lake rose to 88 feet. Find thepercent of change in the depth of the lake.Round to the nearest tenth of a percent. Find the value of x in the following 2x/7-3=2 At the end of each season many college teams play in various competitions called _________.A.seriesB. ChampionshipsC. tournamentsD.bowls Find the area of the stained glass window shown if the diameter of the semi-circle is 63 inches. Use 3.14 for pi. Round your answer to the nearest square inch, and enter the number only. I will give Brainliest, please help!! See the attached photo! ^^You cant use the same number twice!