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 = -9 and y = 1, what is the value of 8b(b - y)?
| 21 | |
| 891 | |
| 720 | |
| -42 |