Orion, also called the Hunter, has three stars that make up Orion's belt. Which star is at the tip of the arrow? PLEASE HELP I NEED THIS FAST

A. Sirius

B. Betelgeuse

C. Rigel

D. Polaris

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx hurrim timed

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.