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 = 3, what is the value of 9b(b - y)?
| -324 | |
| -270 | |
| -432 | |
| 36 |