Answer:
It B ok
Step-by-step explanation:
Answer: Second option.
Step-by-step explanation:
You need to use the following formula:

Where "B" is the area of its base and "h" is the height.
According to the data given in the exercise, you know that:

Therefore, knowing this values, you can substitute them into the formula shown before and then evaluate, in order to calculate the volume of thi right pyramid whose base is a regular hexagon.
Then, you get:

Let's say the ratio is 3:4. It could be written as 3/4
Answer: B. 77
Sub x =6 into the given expression
4x^2 - 12x + 5
= 4(6)^2 - 12(6) + 5
= 144 - 72 + 5
= 77