The weights of a pack of chewing gum for a certain brand have a mean of 47.1 grams and a standard deviation of 2.4 grams. How many grams is a randomly selected pack of gum that has a z-score of 3.11? Round your answer to the nearest tenth, if necessary.

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense