Mark got a 20% raise for his salary. if this salary was $1,800, what is his new salary

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?

Find all the angles that satisfy the equation cos(θ)=32

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.