Plz me and tell me how to get to my answer. what is the mean absolute deviation for the data?

30, 35, 35, 40, 55

a.
5

b.
6.4

c.
6.8

d.
25

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