In the following proportion, what does x equal? x/8 = 23/40

A. 4.6

B. 5.4

C. 6.1

D. 6.8

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.