Please help me with this one

Which equation matches the graph shown ?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

(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.