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 = 3 and y = 4, what is the value of -9a(a - y)?
| 108 | |
| 25 | |
| 27 | |
| 8 |