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 = 3 and z = -8, what is the value of 9c(c - z)?
| 297 | |
| -64 | |
| -168 | |
| -42 |