The tree in your friend's yard casts a shadow that is 27 feet long. your friend is 5 feet tall and casts a shadow that is 4.5 feet long. what is the height of the tree?

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?