Addition Property: For all real numbers x,y, and z , if x=y , then x+z=y+z .
eflexive Property: For all real numbers x , x=x . A number equals itself.
Subtraction Property: For all real numbers x,y, and z , if x=y , then x−z=y−z .
so its subtraction property
Answer:
r= 10
Step-by-step explanation:
30 - 20 = 10
Answer: So, 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, and so on, are all square numbers.
hope this helps
Answer: Y = -y - 12
Pythagorean theorem is:
No
