Identify the correct pronoun (she, he, they, etc.) and complete the following sentences. Pásame la botella.

Los encontramos de 25, 10, 5, etc. centavos. billetes monedas firma el cheque de viajero cajero automático contador endorse

Achemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. what is the value of x, the acid concentration of the first solution

Solve for x: log(x + 3) - log x = 2