Jon has 2 raised rectangular garden beds where he intends to plant herbs. One of the garden beds holds 120 cubic feet of dirt. The dimensions of the second bed are 5 feet x 5 feet x 2 feet. Write an equation that could be used to find the total volume of dirt that will fill both garden beds.

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z