At the movie theater, the size of popcorn decreased 20%. if the old bags hel 15 cups of popcorn, how much do the new one hold?

Acylinder has volume 45π and radius 3. what is it’s height?

Find the zeros of each function. f(x) = x^2 + 5x - 6

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.