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 = 1, what is the value of -5c(c - z)?
| -40 | |
| 4 | |
| -198 | |
| -450 |