How do you round fraction to the nearest integer

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

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?

In the diagram of circle o, what is the measure of zabc?