D.(6,3)
because your in put is not the same as any of the other in puts
The answer is 21x-28 hope it helps
The answer to ur question is 20.94395.
I believe the answer is 75 I am not sure but I adds up because 4*.75 equals to 3 there is another way to solve this though we can do the is over of equals % over 100 then we still get three have a nice day and good luck on your assignment (:
