I would say A or D im leaning towards A more though.
Answer:

Explanation:
The attached figure shows the cone.
Radius of cone, r = 5 ft
Height of the cone, h = 12 ft
We need to find the volume of the figure. The volume of a cone is given by :

So, the volume of the figure is
.
Answer:
The transistor density of the hardware which will exist in 2 years time will likely be double the current processing speeds.
Explanation:
The other 3 options are incorrect
The answer would be b. Contemplate other products to introduce at the same time in this new market.