Is -45 less than, greater than or equal to -50?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test