Write an algebraic expression that represents each purchase. a. Mrs. Peabody bought x number of soccer balls expression the cost Mrs. Peabody's purchase. and 2 baseballs. (Use the operation symbols in the math palette needed. Do not simplify. Do not include the $ symbol b. Bill and Raj are on a baseball team. They each bought a baseball and x pairs of sweat socks. 12. Suppose x has the same value in both of the expressions you wrote for 11. Are the two expressions you wrote for 11 equivalent? Explain. n your answer.) 4 times 5 13. Heather says that soccer balls cost 2 as much as baseballs cost. Do you agree? Explain.