It's the inverse operation of squaring that number. It's an odd definition to explain lol
Answer: #13 you need to know that the sides are equal. #14 (7,6)
Step-by-step explanation: #14 in picture
Answer:

Step-by-step explanation:

Answer:
2x +21
Step-by-step explanation:

Increments of 100,000.
0 - 1,000,000
Essentially 0, 100,000, 200,000, 300,000, etc.