What is the distance between the points (7, 8) and (-8, 0) on a coordinate grid?

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.

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.