Find the common factor 81n^5 - 9n^3 - 9n show your work

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1