Which angle corresponds to the point (-1,0) on the unit circle?

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Fast! find the length of cu. the triangles are similar. show your work.

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2