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 z = -7, what is the value of -5b(b - z)?
| 60 | |
| -440 | |
| -6 | |
| -120 |