A ramp to a building: The base of a ramp sits on the ground (see Figure 3.32). Its slope is 0.4, and it extends to the top of the front steps of a building 15 horizontal feet away. a. How high is the...

A ramp to a building: The base of a ramp sits on the ground (see Figure 3.32). Its slope is 0.4, and it extends to the top of the front steps of a building 15 horizontal feet away. a. How high is the ramp 1 horizontal foot toward the building from the base of the ramp? b. How high is the top of the steps relative to the ground?