The curve y=9-6/x and the line y+x=8 intersect at two points. Find the coordinates of the two points​

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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?