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 = 7 and y = 4, what is the value of -c(c - y)?
| -21 | |
| -63 | |
| -16 | |
| -180 |