What is the value of x ??

x=10

Step-by-step explanation:

It says that figure B is 5:2. That means that for every 5 on figure A, there is 2 for figure B. So if there's 25 on figure A, there is 10 on figure B

A.  The difference of the two means is significant, so the null hypothesis must be rejected.

B.  The difference of the two means is significant, so the null hypothesis must be accepted.

C.  THE DIFFERENCE OF THE TWO MEANS IS NOT SIGNIFICANT, SO THE NULL HYPOTHESIS MUST BE REJECTED.

D.  The difference of the two means is not significant, so the null hypothesis must be accepted.