Answer:
Third option, letter c
Explanation:
3/8 are male, so the chance for 1 year is 3/8
Then for 2 years in a row, the chance decreases, so it is: 3/8.3/8=9/64 or (3/8)^2
Hope you get it!
Answer:
x 100 = 80%
Step-by-step explanation:
Answer:
11
Step-by-step explanation:
This is a difference of squares and therefore can be written as (76-1)(76+1)=(75)(77).
So lets look at the factors....
75=3(25)=3(5)(5)
77=7(11)
The biggest prime factor is therefore 11.
Identities used:
Difference of squares a^2-b^2=(a-b)(a+b)