If cos theta = -2 squared over 2 and pie over 2 less than theta less than pie, what are the values of sin theta and tan theta? What is theta in degrees and radians? Be sure to show and explain all work.

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Which of the following statement about pascal's triangle are true?