Someone help ASAP it’s due today and it’s a test! I’ll give 10 points! THANK YOU!

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

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?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.