Question in picture ​

1. are the triangles similar and if so why? what is the value of x? show your work.

The table represents a linear function. what is the slope of the function? –6 –4 4 6

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