Answer:
980 hers your proof so 170 * 7 =180
Step-by-step explanation:

That's 7.68% = 7.7% (rounded)
Note: C(5, 4) is the number of combinations of 5 things taken 4 at a time. You may have seen this written as

In general,
Radius is half of the diameter so it's 7 for the diameter.
Answer:
blue and green because parallel means two lines that will never cross