1. What is the area of the grey matting in this 8" by 10" picture frame if the picture to be framed is 4" x 6"? A. 56 square inches

B. 80 square inches

C. 24 square inches

D. 64 square inches

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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%