-2x+3(-4x+6) is less then or equal to 116

Solve the triangle. a = 21°, c = 105°, c = 5

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?

If the probability of an event happening is 65% then the probability this event does not occur?