If a = 10 , than a2 =

Question and answers are in the attached picture. you so much in advance.

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

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?