Which number line models the solution set of -2x + 7 > 17?

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?

What is the absolute value of the complex number -4-sqrt2i

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?