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 = 8 and y = 4, what is the value of 9b(b - y)?
| 588 | |
| 30 | |
| -120 | |
| 288 |