C as when they put more hours into the social media they will study less and less which leads to less test scores
Answer:
The value of the x is 1/9.
Step-by-step explanation:
Data provided in the question is:

To find out:-
the value of x.
Solution for the equation:-

On solving the given question or equation by using mathematics of algebra we find out the value of x to be 1/9.
If it can scan 72 photos in 8 minutes, it can scan 72/8 = 9 photos per minute.
So in 23 minutes, it can scan 9x23 = 207 photos
Answer: B
Step-by-step explanation:
Answer:
it is A
Step-by-step explanation:the red color is to subtract or negative value and the blue one is for addition or positive value
-x^2-2x+4 the first row
-(x^2+2x+1) for the second row or (-x^2-2x-1) is the same
put it together
-2x^2-4x+3