MP and NQ intersect at point O. Which rotation of the plane can we use to prove angles u and v are congruent, and why?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

How to solve a simultaneous equation involved with fractions?