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 b = -3 and y = -7, what is the value of 7b(b - y)?
| 450 | |
| -84 | |
| 126 | |
| 0 |