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 = 1 and y = 9, what is the value of c(c - y)?
| -8 | |
| -135 | |
| -378 | |
| 180 |