What is the volume of a square-based pyramid with side length 4 mm and height 15
mm?

Plz me plz i will give a brain just plz

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities