Help please I really need this

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)

Which sections of the heating curve illustrate this process?