Simplifying Polynomials 7g + 7gh + 7g + 7gh

Don’t know how but the answer is 1st term: 18y^2
Second term: -4y^2
Third term: 8

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?