At least 40 pounds of fertilizer is needed to adequately cover your backyard. let f = the amount of fertilizer needed.

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

You can find the constant of proportionality by finding the ratio of

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation