An airplane is flying at a speed of 580 km/h on a bearing of North 60° east. The wind blows from a bearing of North 45° west at a speed of 60 km/h. What is the planes actual ground speed kilometers per hour? What is the planes true course? Write the true direction as an angle theta from the positive X axis.

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?