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 = 4 and y = 7, what is the value of 9c(c - y)?
| 189 | |
| -108 | |
| 560 | |
| 32 |