Owen grew 5/16 of an inch this year and 3/8 of an inch last year. How much did he grow in two years?

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Explain how you can use the associative property to evaluate (7x50)x4.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36