Evaluate 12 p divided by q plus 4 left parenthesis r minus 9 right parenthesis for pequals5​, qequals6​, and requals16. Use a pencil and paper. Choose different values for one variable at a time. Explain the differences you see in the values of the expression.
12 p divided by q plus 4 left parenthesis r minus 9 right parenthesis equals
nothing