5. A baseball team has three different pitchers. Joel pitched 6 innings and allowed 4 runs, Antonio pitched 10 innings and allowed 8 runs, and Francisco pitched 7 innings and allowed 5 runs. Which pitcher has the lowest number of runs allowed per inning? Choose 1 ​

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