Andrew is 12 years old and James is 52 years old. In how many years will James be three times as old as Andrew?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?

Given the numbers 6, 8, 10, and 20, what number when added would make the average of all five numbers 12? 1. (4) 2. (10) 3. (16) 4. (22) 5. (28)