One of the measures of the effectiveness of a stimulus is how much the viewers pulse rate increases on exposure to it. In testing a lively music theme for its television commercials, an advertising agency shows ads with the new music to 25 viewers and their mean pulse rate is 20.5 beats per minute while the mean pulse rate per minute for a comparable sample of 25 viewers seeing the same ads with the old music was 16.9 beats per minute. Is the new music theme better

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

Why is studying fractions important