Adrug store sells a drug costing $85 for $112 and a drug costing $175 for $238. what the drugstore pays for the drug is called the wholesale price (c) and the amount they sell it for is called the retail price (r). the amount by which the drugstore increases the cost of the drug is called the markup. if the markup policy of the drugstore is assumed to be linear use algebraic methods to find an equation that expresses retail price r in terms of cost c.

What is the value of x in the this question ?

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test