The height of a parallelogram is 3 times the base the base measures 4.5 cm what is the area of the parallelogram

Average acceleration: i have no idea how to do this.

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?