A sofa is selling for $796 but the store is offering a 31.25% discount . A sales tax of 9.875% will be applied to the sales price. Write an equation and use it to estimate the final price of the sofa .

Pls help !

(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.