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How many peaoyen in au? 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? How would I sketch f(x,y) = x^2 + 9y^2 on the xy plane? I know it is a circle.? Calculate the exact area bounded by the x-axis and the graph of y=28−11x+x2.? How much does a box of 500 business cards weigh?