What is the area of a circular swimming pool with the radius of 3 feet

If benito is selecting samples of five values from the table, which row will result in the greatest mean? row 1 row 2 row 3 row 4

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

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%