If a soda is left out it gets flat and loses carbonation. A certain brand goes flat in an average of forty five minutes with standard deviation of 5 minutes. Use the empirical
rule to determine approximately what percent of soda will go flat between forty and
fifty five minutes.

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?

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

The width of a piece of rectangular land is 5m shorter rhan 1/3 of its length .find the width of the land if the length is 60m,150m.