Find the final cost of a $279 Nintendo Switch that is on sale for 15% off and you have to pay 8.25% sales tax.

Ineed i been stuck on this question since yesterday

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Ateam has p points. p = 3w + d w = wins d = draws a) a football team has 5 wins and 3 draws. how many points does the team have?