Which of the following functions would it be appropriate to use only positive integers for the domain? select all that apply.

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

How many terms does the polynomial x^2 y^2 have

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