Answer: All real numbers
Step-by-step explanation: The domain should be all real numbers, there are no restrictions
Hey there!
<h3>"Expanded form" is basically, setting it up in a addition form to give you that result</h3>

Good luck on your assignment and enjoy your day!
~
Answer:
15+n
Step-by-step explanation:
Let the number be 'n'
Fifteen=15
increased by= +
a number= n
Hope this helps ;) ❤❤❤
<h2>
The required "option B)
" is correct.</h2>
Step-by-step explanation:
You can refer figure:
brainly.com/question/4386376
To find, the value of x = ?
We know that,
Consecutive angles are supplementary
The diagonals bisect the angles.

Divided by 2 both sides, we get
⇒ 
⇒ 
⇒ 
⇒ 4x = 
⇒ 
⇒ 
∴ The value of x =
Thus, the required "option B)
" is correct.
D is the answer because it says each and that’s a key word to understand that it’s multiplying