4 points
What is the slope of the line that passes througi the posts (-4,9) and (6,
12)?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters

The length of a lap is 15 meters. if lisa wants to swim 450 meters this week,how many laps must she swim