Abenefit of using a debit or credit card instead of cash is that it provides a paper record of a purchase. looking at the purchases below, which one should be made using a debit or credit card? -apex

a.) movie tickets
b.) gas
c.) haircut
d.) tv

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