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Find the balance at the end of 4 years if 1000 is deposited at the rate of

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2