Marco purchased 2 boxes of cereal, 2 boxes of granola bars, and 3 packages of crackers. Each item cost c dollars. Marco wrote an expression for the cost of the cereal. Then he wrote expressions for the cost of the granola bars and the cost of the crackers. He used all of these to write an expression for the total cost. Which expression did Marco write to represent the total cost?

"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?