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 b = -9 and z = 4, what is the value of -b(b - z)?
| -16 | |
| 378 | |
| -117 | |
| -12 |