Which statement is a result of applying the transitive property of inequalities? Given: 2x–1 < 7x and 7x < x+72

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

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?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).