5,12,13
5X5=25
12X12=144
25+144=169
answer: square root 169=13
Answer:

Step-by-step explanation:
the general equation of a circle is

with (h,k) being the centre of the circle and r the radius
Answer:
Option B.
Step-by-step explanation:
The given expression is

We need to find the simplified form of given expression.
Taking out GCF from the numerator.

Cancel out common factors.

The expression
is the simplified form of given expression.
Therefore, the correct option is B.