Answer:
D=1/2
Step-by-step explanation:
Multiply the numbers
Subtract the numbers
Combine like terms
put 1/2 to the two parts of the equation
last but not least, simplify
Answer: The volume of this cylinder is 2389.18 cubic cm, and the surface area is 1000.6 square cm.
Answer:

Step-by-step explanation:
we have:

we also have:

from (1)(2) => proven
Answer:
invalid conclusion
Step-by-step explanation: