Answer:
Approximately 439.6 square millimeters.
Step-by-step explanation:
The formula for the surface area of a cone is the following:

Where, <em>r </em>is the radius and <em>l</em> is the slant height.
The radius is 7 and the slant height is 13. We also use 3.14 for π Thus:

Answer:
15% tax
Step-by-step explanation:
True. If they never intersect then they must have the same slope and are parallel
Answer:
twelve
Step-by-step explanation:
4 times 3= twelve
Answer:C
1/1+cos(x)
Step-by-step explanation: