Cada año, el tercer jueves del mes de Julio se hace un concurso solidario, Argumenta que día del mes de julio será el año en que el concurso se hará mas pronto y que día se hará más tarde.

Which of those sequences is a geometric sequence

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?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?