A machine that drills holes for wells drilled to a depth of –72 feet in one day (24 hours).
If the machine drilled at a constant rate, what was the
depth after 15 hours?

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.