Sorry, i wish i could help, but really the only thing i know is that 4 is 2 by 2 so using another equation to try to prove otherwise is irrational in itself
1-b cuz its describing numbers
2-A-prmation again
3-7C5 = 7!/(5!2!) = 7*6/2 = 21 so its B
4-792
5-d
hoped i helped
Answer:12,376
Step-by-step explanation:
Given
Connie has 17 Pairs of jeans
She has to choose 6 pairs out of 17
We know, no of ways to pick r items out of n items is 

9*16-132/6=122...........