If the given triangle PQR is rotated by 90 degrees around the Point P in the counter clockwise direction, what are the coordinates of the vertices of the new triangle P'Q'R'? Select the three correct coordinates of the vertices.

If the measure of xyz is 81 what is the measure of yz

The trigonometric ratios sine and secant are reciprocals of each other

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?