Answer:
B. Pyramid
Step-by-step explanation:
Ask SAPPHIREMOON, and they'll give you the answer, because I can't do math
Answer:
an=7n-19
(the last one)
Step-by-step explanation:
Answer:
A.
Step-by-step explanation:
Surface area of the original cone
When, radius is quadrupled and slant height is reduced to one sixth
Plug the above values of r and
in equation (1), new surface area becomes:

Move all terms not containing x to the right side of the inequality. x < 9