"a painter needs to cover a triangular region 62 meters by 66 meters by 72 meters. a can of paint covers 70 square meters. how many cans will be needed?

Anew movie is released each year for 14 years to go along with a popular book series. each movie is 2 minutes longer than the last to go along with a plot twist. the first movie is 70 minutes long. use an arithmetic series formula to determine the total length of all 14 movies