Answer:
16
Step-by-step explanation:
Substitute 3 for n,
6(3) - 2
then multiply
18 - 2
then subtract
16
Answer:
12/30
Step-by-step explanation:
So we know that the denominator-numerator=18
And we also know that it's equal to 4/10 or 2/5.
Soooooooooooooo the most easiest is just to trial and error: 12/30
But I don't really know the more complex formula...
To find the area of a cone you do A=πr(r+
Which give you the answer of 151.58