The perimeter of rhombus abcd is __ units.

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

Asystem of equations consists of y = x^3 + 5x + 1 and y=x

True or false a reflection image is never congruent to the original figure