Answer:

Step-by-step explanation:
1) Rewrite
in the form
, where a = y and b = 1.

2) Use Square of Difference:
.

3) Factor
.
1 - Ask: Which two numbers add up to 6 and multiply to -7?
-1 and 7
2 - Rewrite the expression using the above.

Outcome/Result: 
4) Rewrite the expression with a common denominator.

5) Expand.

6) Collect like terms.

7) Simplify
to 

There would be 14 small glass squares along the edges of the square mosaic.
This is because 14 * 14 = 196, which means that if each side length was 14 squares, that the area of the square would contain 196 squares.
Its telling you how many marbles there are and the coler that be used on 9-11 ,its asking you to find the outcome same with 10,now 11 describe the scoring and how its a fair game if you need aswere let me know and i help with them
There are 12 candles in each box, so the there are a total of 7 boxes
Its a bc of the roation it made to a 90 degrees