Find the circumference and the area of a circle with diameter 6 yd. Use the value 3.14 for T, and do not round your answers. Be sure to include the correct units in your answers.

In the 30-60-90 triangle below side s has a length of and side r has a length

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:

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?