Which is the value of 36 and a 2 at the top of 36

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.

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