Can someone help me pls

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?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18