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)?
| 108 | |
| -14 | |
| 360 | |
| 264 |