Answer:
the number is 20
Step-by-step explanation:
let 'n' represent the number
2n + 9 = 49
2n = 40
n = 40/2 = 20
Its the 2nd one becuase 2(-1)+2=0 witch is greater than -4.
Expand the right side:


Notice that 98 = 2 * 7 * 7, so we have
and
.
Then

and

Answer:
Hello there!
The answer you are looking for is B.!
Step-by-step explanation:
That is the only one that makes sense.
Have a great day!