Answer:
Second option is the correct answer

Step-by-step explanation:

Answer:
a) -5n9
Step-by-step explanation:
CAN U PLZZZZ MARK ME BRAINIEST!!!! I REALLY NEED IT
Answer:
150 • r + 62 = 40
Step-by-step explanation:
I believe that it is 45 degrees. i could be wrong, so make sure to check!