Giving brainlist to whoever answers

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

Find the amplitude of a sinusoidal function that models this temperature variation

(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.