Answer:
B
Step-by-step explanation:
The domain is all possible values of x. Here, x is the number of $5 nontaxable items. So x must be an integer, and it can't be negative. It is possible for x to be 0. So x is all whole numbers.
Yes because the results that are statistically significant are also practically significant
From lea st to greatest it would be 6.200, 6.4, 6.532, and 6.6
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