You have a 92% homework average after the first 9 assignments. you figure you’re doing pretty well, so you skip the next assignment. how will your homework average change after the 0? (assume all the assignments are worth the same number of points)

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