Find the equation of the line passing through (8,-2) and (1,-2)

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

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?

Me find the value of x each figure.