Lynn is playing a board game. When starting the game, her token is at START, and she has the option of going around the board to the left or to the right. After rolling the dice, she places her token on a space that has an absolute value of four. Select the point(s) on the number line where her token could be on her first move.

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