Please help, I have no idea how to do this!!

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

What are different types of statistical programs