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 z = 7, what is the value of -c(c - z)?
| -81 | |
| -8 | |
| 0 | |
| -144 |