Answer: C: 12-7x
Step-by-step explanation:
This expression is a good example of the difference of two squares, as 144 is the square of 12, while 49x² is the square of 7x.
Any difference of two squares 
can be factored into the sum of their square roots times the difference of their square roots 
.
Let's factor our expression.
Out of all the options given, only 
is a factor. Hence, option C is correct.
Answer:
odd numbers
Step-by-step explanation:
4 - 7 is 3, 7 - 12 is 5, 12 - 19 is 7, 19 to 28 is 9
So just keep counting
Answer:
Step-by-step explanation:
9/3 = 3
3+4 = 7
The answer is 7!
Answer:
Number 2 is S
Step-by-step explanation:
Brainliest please
have a great day!
