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 = -7 and y = 2, what is the value of 9b(b - y)?
| 28 | |
| 0 | |
| 567 | |
| 896 |