In cases like these, you simply have to multiply the choices you have for each step.
In fact, you can choose between 4 different crusts. For each of these crusts you can choose 4 different sauces. This means that there are
choices at this point. In fact, if we call the crust options 1,2,3,4 and the sauce options A,B,C,D, the 16 possible combinations are

From here, you keep going multiplying the number of options for each step, for a total of

One may note, you never quite asked anything per se, ahemm, if you meant simplification.
It's this graph. You didn't give me any options in the question.
Answer:
I think it's G
Step-by-step explanation:
Since a=8 root 3=8×3=24cm
Yh so I multiplied the 24cm by 12cm
12cm×24cm=288cm squared
and the square root of 288cm is 96 root 3 cm squared
Answer:
Everyone got 52/25 = 2.08 slices of pizza.
Step-by-step explanation:
1 large sized pizza = 8 slices
6.5 large sized pizzas = 52 slices
52/25 = 2.08
Hope this helps :D