Aline segment has endpoints at (2, 1) and (9, 5). what is the horizontal run of the line segment?

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

How do i do this activity, is appreciated