Find the number b such that the line y = b divides the region bounded by the curves y = 9x2 and y = 16 into two regions with equal area. (round your answer to two decimal places.)

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

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards