HELP

Solve the simultaneous equation :
x/2 + y/3 = 4
2xy = 45

What are the solutions of the following system? y=-2x^2 y=x-2

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?

The motion of a weight that hangs from a spring is represented by the equation h=8sin(2pi/3t). it models the weight’s height above or below the rest position as a function of time. approximately when will the object be 3 inches above the rest position?