Suppose that we toss a coin three times and record the sequence of heads and tails. let e be the event that "at most one head occurs". let f be the event that "both heads and tails occur".

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?

Sum of the interior angles of a pentagon