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 = 9 and y = -9, what is the value of 3b(b - y)?
| -162 | |
| 48 | |
| 486 | |
| 18 |