Which laws can be combined to form the ideal gas law?
a. Boyle’s law and Charles’s law
b. Gay-Lussac’s law and Avogadro’s law
c. Charles’s law, Avogadro’s law, and Boyle’s law
d. Dalton’s law, Gay-Lussac’s law, and Avogadro’s law

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?