How many sides does a regular polygon have if one exterior angle has a measure of 10°?

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.

What is the point slope form of a line with slope -5 that contains point (2,-1)