Atotal of 300 tickets were sold for the school play. they were either adult tickets or student tickets. the number of student tickets sold was three times the number of adults tickets sold. how many adult tickets were sold?

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?

Extra points! find the missing dimension! need asap

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?