If the units for x are feet and the units for a(x) are pounds per foot, what are the units for da/dx?

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Michelle is planting flowers in her garden. she wants the ratio of daises to carnations to be 3 to 2. michelle wants to plant a total of 35 flowers. how many daises should she plant?

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)