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 = 5 and z = 6, what is the value of -9b(b - z)?
| 352 | |
| -15 | |
| 12 | |
| 45 |