Answer:
F: 18
Step-by-step explanation:
find total amount of points
43 + 7 = 50
subtract half of 50 to find the midpoint
43 - 25
18
L = 18
Answer: 3:1
Step-by-step explanation: For every 3 wins, there is 1 loss. 60/20=3 20/20=1.
The answer is square root of 6.909877
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Given problem is 
To simplify that we need to multiply and divide by conjugate of the denominator
conjugate of denominator 6+i will be 6-i as we just need to change sign of the imaginary part
Now multiply and divide by 6-i







Hence final answer is 
63 degrees because 180-117 is 63.