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 = -8 and z = 4, what is the value of -a(a - z)?
| 28 | |
| -96 | |
| 18 | |
| 112 |