My vector calculator* tells me
100∠130° +25∠90° = 122.2∠122.3°
The plane's ground speed is 122.2 km/h and its course is 122.3° from north.
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* Graphing Calculator + Math app for Android by Mathlab Apps, LLC
The answer is A. 6101. I got this by taking 36606 and dividing it by 6. This result in answer A. I hope this helps
Answer:
I believe the answer to part A is 55. I just added the number of french speakers to the number of females and then subtracted 16. If that answer is correct, then the answer to part b is 68.75%
9 (c - 6) = 63
9c - 54 = 63
9c = 117
c = 13