Answer:
The answer is D.117
Step-by-step explanation:
Supplementary angles equal 180°.
180-63=117
Answer:
54+61
Step-by-step explanation:
54 + 61 = 115
61 - 54 = 7
Step-by-step explanation:
using normal distribution aproximation
Check attachment
Answer: c. f - 3 + 6d
Explanation: 5d - d + 4 + 2d - 5f - 6f - 7
- 5f - 6f = f
4 - 7 = -3
5d - d = 4d, 4d + 2d = 6d