Answer:
is it C?? plss let me know not fully sure
Step-by-step explanation:
Answer:
The rule is "add 5, add 10, add 20" and the rule keeps doubling.
To evaluate the combination we proceed as follows:
21C3
Given nCk we shall have:
n!/[(n-k)!k!]
thus plugging the values in the expression we get:
21!/[(21-3)!3!]
=21!/(18!×3!)
=1330
Answer: 1330
Answer:
i think the area is 21 srry if im wrong
Step-by-step explanation:
Answer:
The answer is 1.2
Step-by-step explanation:
Hope this helps