a spacecraft can operate its television cameras for 1000 hours on its batteries and can run its radio transmitter for 2,000 hours or I can use its heater for 500 hours how long can the spacecraft function with all three units in operations simultaneously?​

"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?