11. 

If m and n are whole numbers such that mn = 121, the value of (m - 1)n + 1 is:

A. 1
B. 10
C. 121
D. 1000

12. 

If x = 3 + 22, then the value of x - 1 is:
x

A. 1
B. 2
C. 2 2
D. 3 3