Is the problem 2 1/2 + 3 1/4 + 5/6 correct if the answer of what i got is 5 7/12 or would it be 6 7/12

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?

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21

What is the length of ac in the given triangle?