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 = -9 and z = 9, what is the value of -c(c - z)?
| 18 | |
| -520 | |
| -162 | |
| -225 |