The average age of a university student was found to be 24 with a standard deviation of 2. What age group is within 2 standard deviations of the mean?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?