If the triangles are similar, what is the value of x? ​

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

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?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.