Answer: first option
Step-by-step explanation:
The formula for calculate the surface area of a cone is the shown below:

Where: s is the slant height and r is the radius.
As you can see in the figure the slant height and the radius are:
s=18 cm and r=6 cm
Therefore when you substitute the values shown above into the formula, you obtain that the result is:
cm²
Answer:
(C) 7/2
Step-by-step explanation:
slope = y2-y1/x2-x1
Answer:
0.293263 rounded to the ten thousandths place
=0.2933
Answer:
x=-7/4
Step-by-step explanation:
4x+7=0
4x=-7+0
4x=-7
x=-7/4
Answer:
Step-by-step explanation: