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 = -2 and y = -3, what is the value of -9b(b - y)?
| 7 | |
| 18 | |
| -864 | |
| -126 |