HELP!! Select the correct answer. Which of these tables represents a function?
(I want to know if I am correct and if not, what is it?)

Find the length of cu, the triangles are similar.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?