Find the unknown side length, x. Write your answer in simplest radical form. A. 4.32
B. 22
C. 1655
D. 10/13

How do you use the elimination method for this question? explain, because i really want to understand!

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?