Solve the following equation for x 7x-15=1

If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?