Find the surface area of this triangular prism

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.