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 = 2, what is the value of 6a(a - y)?
| 70 | |
| -150 | |
| 420 | |
| 18 |