What is 2x2	4
What is 4x4	16
What is 6x6	36
What is 8-5	3
What is 9-9	0
Find the value of 5 + 22 - 8 + 3	4
What is the value of 9 - [12 + (15  3)]?	-8
Find the value of a - b2 if a = 4 and b = 3.	-5
What is the value of 9 - [14 + (15  3)]?	-4
What is the value of 9 - [16 + (9  3)]?	-3
