Answer:
60°
Step-by-step explanation:
90°+30°=120°
180°_120°=60°
|2x + y - 3z|
Plug in the values
|-4 + 10 - 9|
= |-3|
= 3
I might not know the answer to this question but I hope you find one
53280 miles. If you multiply the mps by seconds in a minute (60) then minutes (48) you can get this answer easily