Find b such that the line y = b divides the region bounded by the graphs of the two equations into two regions of equal area. (Round your answer to three decimal places.) y = 81 − x2, y = 0

The triangles are similar. what is the value of x? show your work.

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

What are the values of each variable in the diagram below?