When solving an equation with two variables, replace the variables with the values given and then solve the now variable-free equation. (Remember order of operations, PEMDAS, Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)
If a = -2 and y = 9, what is the value of a(a - y)?
| 36 | |
| 270 | |
| -54 | |
| 22 |