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 = 6 and y = -2, what is the value of 9b(b - y)?
| 432 | |
| 56 | |
| 864 | |
| 48 |