How many are 3 raised to 5 ???

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

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 representation has a constant of variation of -2.5