1. The graph below shows Calvin’s distance from home throughout the day on Friday. He spent about 7 hours at school, 1 hour at a friend’s house,
and about 30 minutes at a store.

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

Write the function for the graph. (1.8) (0,4)

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.