Which story represents the graph below

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Which of the following are accepted without proof in a logical system? check all that apply.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5