Math help. Show work please urgent

Which expression is equivalent to? assume x > 0 and y > 0.

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 would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?