Need ! when you start a sentence with a comes after it?

For jai alai, can someone give an explanation of the league or organization that manages the competitions and an examination of the fan base of the sport.

Answer the question in spanish ¿qué hora es? ¿qué día es? ¿qué mes es? answer in basic spanish im a beginner and do flvs : )

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