Which expressions are listed in the simplest form? Check all that apply. 53b
2/21
XV&
2y36
5
√126²

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.