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 = 5 and y = -6, what is the value of -4a(a - y)?
| -70 | |
| 20 | |
| 225 | |
| -220 |