Awildlife biologist looks up at a 78° angle of elevation to see a flock of geese in the air. the biologist is standing 200 ft away from a place directly underneath the geese. how high are the geese flying, to the nearest tenth of a foot?

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