Me understand this, i've been stuck on this question

All per-unit concepts rely on ratios, meaning, to provide a type of measurement

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?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)