Solve the system of equations using the elimination method x+3y= -15
-3x+2y=23

What are the steps to solving the inequality 3b + 8 ≥ 14?

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%

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