The missing number in the box is 3, find the value of X and show work please

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?

Are the corresponding angles congruent? explain why or why not.

Which of the following domains provide a real value periods