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The formula for the area of a circle is

To break it up, its π×r×r=A
The radius is 12inches
So the equation is 3.14×12×12
3.14×12=37.68
37.68×12=452.16
452.16 rounded is 452
A=452inches
Answer:
28
Step-by-step explanation:
Answer:
Let 'a' be the first term, 'r' be the common ratio and 'n' be the number of terms
Series = 2+6+18.......= 2+2•3¹+ 2•3².......= 728
Now,

So,

Therefore, number of terms is 6
Answer:
1: Positive
2: Negative
3: Negative
4: Negative
Step-by-step explanation:
Positive plus Negative equals negative.
Positive plus positive or negative plus negative equals positive.
Hope this helps.