4. Translate Pre Image coordinates using the rule (x - 13) and (y + 21).
A (3,-5) B (10, -8) C (12, -13) D (5, -10)

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?