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 = -7 and y = -8, what is the value of -5a(a - y)?
| -70 | |
| 35 | |
| 648 | |
| -90 |