What are the solutions of x2 +6x-6 = 10?
x = -8 orx = -2
x = -8 or x = 2
x = 1 or x = -7
x= -1 or x = 7

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