The answer would be 58
180 - 65 - 57 = 58 which is the missing angle
(3,2) because it is in the direct center
Answer:
.
Step-by-step explanation:
The given series is,

When we substitute
, we get the first term, which is 
This implies that,

.
The common ratio is

The finite geometric sum is given by the formula,
.
Since there are 9 terms, we find the sum of the first nine terms by putting
in to the formula to get,
.
.
.
.
.
.
.
The correct answer is B
Answer:
-67x + 10
Step-by-step explanation:
3x + 10(1 - 7x)
(use distributive property)
3x + 10 - 70x
(simplify)
3x - 70x + 10
-67x + 10