Biggest test ive ever had pls help

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

What is value of x? enter your answer in the box. x =

1- how are translations represented as a function? . . 2- what is the relationship between a translation and a rigid motion? answer my grade depends on it! you so much