Answer:
The radius of the circle is √26.
Step-by-step explanation:
Since point A is on the circle, the distance between that point and the center of the circle is equal to the radius.
To find the distance between two points, the following equation should be used:

Replacing the numeric values:

The radius of the circle is √26.
the product of five times a number and nine the difference of nine times a number and five the sum of five times a number and five the difference of five times a number and nine
Answer:
The length of the largest table that can be brought in the house on a diagonal is 
Step-by-step explanation:
we know that
Applying the Pythagoras Theorem
Find the length of the diagonal of the frame

63 dives by 7 is 9 so 63-9 is 54
Answer 54
It depends on what happens to the price of the item during the sale which is not stated in your problem. So if it cost 6 dollars and goes on sale it should be 6 dollars.