lisa crawford created a corporation providing legal services, Lisa Crawford Inc on july 1, 2022. On july 31 the balance sheet showed cash $5,200, Accounts receivable $3,250, supplies $650, equipment $6,500 accounts payable $5,460, common stock 8,060 and retained earnings $2,080. During august, the following transaction occurred.

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