Han spent 50 minutes practicing the piano over the weekend. Tyler practiced the clarinet for 84% as much time as Han practiced the piano. How long did he practice?

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.