Virginia posted a blog article and kept track of how many people visited the page. By the end of the first day, the blog had 3 views and by the end of the third day, it had received 27 views.

Arandom high school question but a hard one

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Aaron paid $9.75 for markers that cost $0.75 each. he bought 4 times as many pencils for $0.35 each. how much did aaron pay for pencils?