While surfing the Internet, you find a site that claims to offer "the most popular and the cheapest DVDs anywhere." Unfortunately, the website isn't
clear about the how much they charge for each DVD, but it does give you the
following information

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

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?