Shawn has a bag containing seven balls: one green, one orange, one blue, one yellow, one purple, one white, and one red. All balls are equally likely to be chosen. Shawn will choose one ball without looking in the bag. What is the probability that Shawn will choose the purple ball out of the bag?

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?