twenty seven out of forty dentists recommended a certain whitener for teeth. if 1080 dentists recommended the whitener in the survey, how many dentists were surveyed?

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Match each inequality to the number line that represents its solution

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