Answer:
94 is the answer hope this helps
Answer:

Step-by-step explanation:
The given radical expression is;

We multiply both the numerator and the denominator by the conjugate of
which is 

The denominator is now difference of two squares;

Simplify:




Answer is 13.75 inches for each side of the square board
Step by step
A square with an area of 189 in sq. , take square root of 189 = 13.75 inches
Answer:
There are 10 cows and 16 chickens