How is it possible that the sum of two quadratic trinomials is a linear binomial? The coefficients of the terms whose exponents are sum to Thus, the result is a linear binomial of degree​

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