4^m x 4^2 = 4^12 whats m?

What is the inverse of the function f(x) = 2x + 1?

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.

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is