Question

Can someone help me in geometry

Answer 1

The correct answer is C) 6

Answer 2

The answer would be 6.
You just have to count the combinations.

Here are the combinations:
Thin crust with marinara sauce.
Thin crust with pesto sauce. 
Thin crust with Alfredo sauce.
Thick crust with marinara sauce.
Thick crust with pesto sauce.
Thick crust with Alfredo sauce.

I hope this helps!