You bought 12 items at an art supply store. each tube of paint costs $1 and each paint brush costs $0.50. you spent a total of $10, how many paint brushes did you buy?

(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.