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Average weight is 182.9 pounds and standard deviation is 40.8 pounds, what is the probability a person will be less than 174 pounds? Find the area of the region between the curves x=1−y2 and x=y2−1. I'm a little confused because of the x= not y= and still can't figure it!? Round 71,089 to nearest hundred? How many peaoyen in au? Find the quadratic function f(x)=ax^2+bx+c that goes through (3, 0) and has a local maximum at (0, 1) [Calculus]?