Suppose a fire truck is located 14.2 kilometers due east from its station when a call comes in about a fire that broke out 28.7 kilometers due north from the station. what is the distance between the truck and the fire? round your answer to the nearest kilometer.

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?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Solve the system of equations. x=-2y+1 and x+2y=9. show work