An athlete can run 4 miles in 34 hour. At this rate, what is the total number of miles the athlete can run in 1 hour?

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%

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319