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 = -5 and z = 5, what is the value of -9c(c - z)?
| -126 | |
| 273 | |
| 54 | |
| -450 |