Sara's mother has bought 90 lollipops and 105 pencils for goody bags for sara's birthday. what is the largest number of goody bags that sara's mother can make so that each goody bag has the same number of lollipops and the same number of pencils?

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