Answer:
638
Step-by-step explanation:
its 638, not 639 because its above 638.5
Answer:

Step-by-step explanation:
we know that
If the measures of the major arc CBD is equal to
degrees
then
the measure of its corresponding central angle is equal to
degrees
so
Convert degrees to radians
Remember that

so by proportion
Convert
to radians

C
Step by step explanation This is how I got the answer to your question and I gave you the solution I hope this helps you out
Answer: I don’t think so, it’s multiple choice.
Step-by-step explanation: A. =−2−20 B. =2−8
C. =−2−1 D. =2−20
Answer: 140
Step-by-step explanation: 2.5 x 4 = 10
10 x 14 = 140
you multiply the amount of hours she swims for 4 days and then multiply those hours by 14 because the swimming season is 14 weeks long.