Itook a number, wrote a 9 to the right of it, and added the doubled original number to the result. the resulting sum is 633. what was the original number? pls show ur work : )

(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.