Assume that there are 8 rats in the cage: 6 trained and 2 untrained. A rat is removed from the cage and it is noted whether or n
ot it is trained. It is then placed in a different cage. 4 more rats are removed and treated the same way. How many outcomes are possible for this experiment?
at first, before you start solving the equation, it would be 3x/x+1 divided by x+1/1 . so, u do keep change flip. then it woyuld how the first answer choice