The circumference is the correct.
It can be found using the formula,
Answer:
13800
Step-by-step explanation:
The order of the members is important (because each selected member will receive a different position), thus we then need to use the definition of permutation.
There are 25 members, of which 3 are selected.

Evaluate the definition of a combination:

Answer:
First 3 boxes down are Vertical, Complementary, Supplementary
. Second 3 Boxes Down Are add up to 90 degrees, add up to 180 degrees, and are congruent.
I hope this helps :)
Answer:
I thinks no for all except the last one.
Answer: (-1/5, 2/5)
Step-by-step explanation:
See the photo for explanation and work.