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 = 8 and z = 5, what is the value of -9c(c - z)?
| -216 | |
| 175 | |
| -84 | |
| -72 |