During the winter months, Starbucks has a sale every 4 days and McCafe has a sale every 5 days. If stores had a sale today, when is the next time both stores will have sales on the same day?

Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles