2.draw the following lines and then write an equation for each. a. slope is 0, y-intercept is 5. b. slope is 2, y-intercept is -1. c. slope is -2, y-intercept is 1.

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.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Does the point (1, sqrt 7) lie on circle shown.