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 = -4 and z = 6, what is the value of -9b(b - z)?
| 252 | |
| -72 | |
| -240 | |
| -360 |