Using the following intervals for the scores on a 30-point quiz, how many x's would fall over the interval of 19-21 on a line plot? Scores: 21, 27, 20, 29, 23, 21, 21, 27, 26, 25

Intervals: 19-21, 22-24, 25-27, and 28-30

A.1

B.4

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.