A rectangle has a height of x and a width of 7x-4 what is the area

What is the sum of these mixed numbers 2 1/8 + 4 3/8

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?

Ineed to know the answer to this algebra question.