meg is a veterinarian. she fount that 33% of the 15 dogs she saw this week were boxers Steve is also a veterinarian. He found that 9 or 50 of dogs he saw this week were boxers. Does each person need to find the part, the whole, or the percent?

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