Rewrite each rational function as a the sum of a quotient and a remainder where the degree of the remainders numerator is less than that of its denominator

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%

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

If wxyz is a square, which statements must be true?