George has a small coin collection. he has collected 16 gold coins, 28 silver coins, 32 copper coins, and 4 bronze coins. at a flea market, george sells 15% of his coins. find the number of coins he sold.

Rearrange the formula c^2 = a^2 + b^2 for b

286 divided by 457.6 what is the quotient?

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?