The average temperature for February is 4 degrees Fahrenheit below zero. By March the average temperature had increased 11 degrees. What was the average temperature in March

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

What is the value of the expression below? 148+(-6)| + |– 35= 7|