Denise's parents want her to start an extracurricular and suggest either badminton or chess. She wants to compare the average age of the players of each of these. She creates the graph shown to compare ages. Which statement correctly compares the distributions?

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

What is the value of x when x + 7 = 21?

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%