Which expression is undefined? A. (-7-0)
14
B. 7/0
C. -0/2 ÷ 10
D. (4-4)
18
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Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

What is the result of the following division?

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%