PLEASE HELP THIS IS MY LAST QUESTION AND I CAN'T SAVE THE TEST! What expression is equivalent to 3 square root of 2y^3 times 7 square root of 18y, if y > 0?

A. 21y√20y

B. 21y²√6y

C. 63y√2y

D. 126y²

What aspects of lines have to be diffrent

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?

Find the distance between (7,-6) and (-3,-9)