Question

Please answer the attachment below :

Answer 1

Step-by-step explanation:

A:

They are all correct

B:

16 - 4 = 12

12 = 12

25 - 9 = 16

16 = 16

36 - 16 = 20

20 = 20

C:

51 x 51 = 2601

49 x 49 2401

2601 - 2401 = 200

I hope it helped :)