Mei is a park ranger at Death Valley National Park in California. She records the elevation relative to sea level at different points in the park. What is the mean of the elevations? Elevations: -32.6, 24.7, -8.3, 19.1, -8.4.

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

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

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?