The daily revenue at a university snack bar has been recorded for the past five years. Records indicate that the mean daily revenue is $2500 and the standard deviation is $300. Suppose that 100 days are randomly selected. What is the probability that the average daily revenue of the sample is lower than $2580

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

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?