A square with unknown side length x has one side extended by 3 inches and the other side extended by 4 inches as shown. The area of the overall rectangle is 110 square inches. Write an equation that could be used to solve for x.​

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220