Insert digits instead of asterisks:

Will give brainliest! ^w^

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

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?

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3