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 y = 4, what is the value of 9b(b - y)?
| -42 | |
| -3 | |
| 288 | |
| 36 |