Question in picture solve

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

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?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?