Find the remainder in the following division problem: x^5-4x^4+x^3-7x+1/x+2

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

Find the value of x for which the lines are parallel.

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?