Kyle is pulled back on a swing so that the rope forms an angle of 30° with the vertical. the distance from the top of the swing set directly to the ground is 12 feet. find kyle’s height off the ground, x, when he is in the pulled-back position. round the answer to the nearest hundredth.

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.