Write an equation of a line in point slope form that goes through the point (-4,7) with m = 4/5

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.