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 z = -3, what is the value of 8a(a - z)?
| 12 | |
| 224 | |
| -32 | |
| 45 |