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 a = 6 and y = 9, what is the value of 3a(a - y)?
| -10 | |
| -54 | |
| -24 | |
| 144 |