Tasha writes down the temperature at different points of the day. Time
Temperature
midnight
-6°C
4 am
-8°C
8 am
-4°C
noon
7°C
3 pm
6°C
7 pm
-2°C

What is the difference between the lowest temperature and the highest?

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?

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

Math question.. plz me .. best answer all