What is the difference between sinx = cosx and sinx = 1/cscx?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

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?