100 POINTS The diagram below shows vector v. Given the transformation matrix t = 1 0 0 -1, which diagram shows the application of T to v?

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