A regular hexagon is dilated by a scale factor of 7/5 to create a new hexagon. how does the perimeter of the new hexagon compare with the original perimeter

The circumference of a circle is 5 pi cm. what is the area of the circle?

Someone . me. compound probability

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.