One of the highest snowfall rates ever recorded was silver lake colorado in april 1921 when just over 7 feet of snow fell in 27 1/2 hours. what was the rate in inches per hours

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?