A chemist wants to make a 10% solution of fertilizer. How much of a 5%
solution and of a 30% solution should the chemist mix to get 30 L of a 10%
solution?

Describe the domain and range of y=2(3)^x-2+5

What is the area of the triangle 10 13 12

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?