Given triangle ABC with m∠B=25°, AB=100cm, and BC=66cm. Use the Law of Cosines to find AC

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics