Which fractions are equal to
2
3
?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

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The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16