the difference between 12 and 2/3 of a number is 18 turn into equation I need to know how to turn this into an equation and what is the answer?

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2