3. solve for the unknown variables:
a
15in
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20in

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles