Hannah lost four points on a test and earned four points on an extra credit question what does the sum of 0 mean in the description of this situation?

Which of the following is the result of expanding

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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?