The expression - 120 + 13m represents a
submarine that began at a depth of 120 feet
below sea level and ascended at a rate of
13 feet per minute. What was the depth of the
submarine after 6 minutes?

"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?