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 = 6 and y = -1, what is the value of -4c(c - y)?
| -14 | |
| 40 | |
| -42 | |
| -168 |