Assume that when adults with smartphones are randomly selected, 52 % use them in meetings or classes. if 15 adult smartphone users are randomly selected, find the probability that exactly 9 of them use their smartphones in meetings or classes.

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

For the equations below which statement is true ? -2x=14 6x=-42

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i