That would be A, I hope this helps my man! :)
Answer:
The X is equal to 1.75
Step-by-step explanation:
3.5X2.25=7.875
14/7.875=1.75
Step-by-step explanation:





x = 3 or x = -2 we dont use the (-2) because we have a sqrt
So x =3
The sides of a square have the same lengths, so the diagonal and two sides form a 45-45-90 right triangle. In a 45-45-90 triangle, the hypotenuse has a length with is

longer than the legs.
Therefore, the sides of the square would be

.
Rationalize the fraction be multiplying the numerator and denominator by root 2.

The 14 and 2 will reduce to 7, and the answer is A.