Answer:
Step-by-step explanation:
h=25+m
*m is the variable
Forty its not rocket science
Answer:
20
Step-by-step explanation:
I did it before
Answer:
A. (x+5)(x-2)
Step-by-step explanation:
- (x+5)(x-2)
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