Answer is 4 so C for you. I just did this with my brother! Hope this helped.
15 miles is how far she has to go. I think you have a Typo
11c-8. 11 and c are being multiplied. And 8 odds being subtracted.
Step-by-step explanation:
By Exterior Angle Theorem,
81° + b = 117°.
=> b = 117° - 81° = 36°.
