An engine is operating at 25% of its full power. which number line shows a point that
represents 25%

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?

X+y=-4 x-y=2 use elimination with adding and subtraction

Select the correct answer and solve for y