Molly needs to buy more paint. White paint costs $5.29 for 60 ml. What is the unit price? (I. e. How much does it cost per ml? Round to the hundredths place.) Also due tonight it's the end of the grading period today

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