Lainey is sliding down a water slide that is 420 feet long at a rate of 42 feet per second how long will it take lainey to travel from the top to the bottom of the slide

(05.02) mr. morris is going to save money and replace his sailboat's mainsail himself. he must determine the area of the mainsail in order to buy the correct amount of material. calculate the area of the parallelogram to determine how much material should be purchased. be sure to explain how to decompose this shape into rectangles and triangles. describe their dimensions and show your work.