The temperature at noon is -4 degrees the temperature drops 1 1/2 degrees per hour for 4 hours. what is the temperature at 4 pm?

Four equations are shown below.equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list.why each equation you identified is linear or nonlinear.nd one nonlinear equation from the list. state a reasonlinear equation