What number is 4 tens more than 45

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?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Can someone, me with this.i really need with this