What will it cost to buy ceiling molding to go around a rectangular room with length 20 ft and width 9 ft? the molding costs $2.69 per linear foot.

Give me the equations of two lines that have the same slope but are not parallel.

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

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