Bryan and Kevin were training for a big race. They trained a week before the race by
racing one another. How many different ways
could the 2 friends place when racing each
other?

Rounded to the nearest tenth, what is the value of x

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)