Which expression is equivalent to x^2-7/5x-4 - 2x+9/5x-4?

Which of the following expressions is equal to 2x^2+8

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Someone answer asap for ! 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?