Simplify each of the following powers of i. i^32

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?

Is the figure congruent? yes or no?

How can (square root of 25) ^2 be rewritten?