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 c = -1 and y = -8, what is the value of 4c(c - y)?
| 42 | |
| -28 | |
| -9 | |
| -90 |