Answer:
option C. 
Step-by-step explanation:
we know that
The volume of the triangular pyramid is equal to

where
B is the area of the triangular base
h is the height of the pyramid
In this problem we have


substitute in the formula

Answer:
I got 103˚ because I put (x+40)˚ into the calculator
The bottmo layer should be the same as the top layer sinc it is all squares
count the top
6 squares
answer is 6 squares
Answer:
The domain is all real numbers, the range is all positive numbers and the asymptote is x = 0 so the answer is the last option.
5+ 4e = -7 is the correct answer.