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 = 4 and y = -8, what is the value of -9a(a - y)?
| -432 | |
| -2 | |
| -150 | |
| -36 |