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 = -7 and y = 6, what is the value of 3a(a - y)?
| 4 | |
| 273 | |
| -672 | |
| -952 |