we know that
The formula of the surface area of the cone is equal to

where
SA is the surface area
r is the radius of the cone
l is the slant height
in this problem we have

Solve the formula for l

substitute the values

therefore
<u>the answer is</u>
The slant height is 
Answer:
250
Step-by-step explanation:
The third option has the highest value
Answer:
Melanie can translate the figure, rotate the figure, or reflect the figure. The figure would still be congruent.
Step-by-step explanation:
Hope that helps.... sorry if it doesn't..
Answer:
Susan is riding her bike. The distance she travels varies directly with the number of revolutions (turns) her wheels make. See the graph below.
23
20