Joan read 9 chapters in 4 hours. If she continued to read at the same rate, how many chapters would she have read in 2 days? a.) 4.5 chapters
b.) 108 chapters
c.)21.3 chapters
d.)0.9 chapters
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Plot the intercepts to graph the equation

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?

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.