The angle of elevation from a point on the ground to the top of the pyramid is 38° and 50 minutes. The angle of elevation from a .164 feet farther back to the top of the pyramid is 24° and 20 minutes. Final height of the pyramid The angle of elevation from a point 164 feet farther back to the top of the pyramid is 24° and 20 minutes. Find the height of a pyramid

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