It is most definetly A. the others wouldn't make any sense.
9/27
there are infinite ratios equal to 9/27
one if the ratio is 1/3
Answer:
The value of given expression is
.
Step-by-step explanation:
Given information: n=7, x=2, p=1/2

The given expression is

It can be written as

Substitute n=7, x=2, p=1/2 and q=1/2 in the above formula.






Therefore the value of given expression is
.