Write three examples of numbers that are decimal

With math question will mark brainliest question in the pic.

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

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?