Use the correct notation to express the follow objects. 1. Line DF
2. Segment RS
3. Ray BF

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?

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?