Part 1: which expression is equivalent (picture above)

a. x to the second power
b. x to he fifth power minus x to the third power
c. x to the eighth power minus x to the fourth power
d. 1 over x to the second power

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