Justin earned $25.67 in one week and $37.85 the next week he also purchased a dvd for $19.99 and $22.07 for his car. he started with a 0 valence in his checking account

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?