Answer:
-13.2
Step-by-step explanation:
-8.2-5 essentially means that you just have to add 8.2 and 5. (disregard the signs for a moment) if you add them you get 13.2 as both of these number have a negative sign just add it and here's your answer
23 maybe because there is a 90 degree angle
False
This is because there both above sea level and 50-17=33 not -33