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 = 3 and y = 2, what is the value of 7c(c - y)?
| -10 | |
| 0 | |
| 21 | |
| 54 |