The measures of the angles of a triangle are shown in the figure below. Solve for x.

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

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?