The graph represents the number of pages Roberta read over a period of time. Point P represents that Roberta reads __________ pages in ________ minutes.
The unit rate, in pages read per minute, is the __________ -coordinate in the ordered pair __________. Things you can put in the blank: y, x, 25, 30, (1, 0.83), (1, 1.2), (25, 30), and (30, 25).

Large circle circumference  =  34.5575 units =large circle  diameter = 11 unitsmiddle circle  diameter =  8 unitssmall circle  diameter = 5 unitsarea of shaded region = middle circle area -small circle areaarea of shaded region =  pi * 8 ^2 / 4   minus pi * 5^2 / 4area of shaded region =  50.27 -19.63area of shaded region = 30.64 square units