How do you get the answer for 45 multiplied by 26/3

Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

What is the gcf of 20c^3-5c^4+30c^6