Answer: 11/15
Step-by-step explanation:
The sum of the arithmetic series 6 8 10 12 14 16 18 20 22 24 26 is 176
<h3>How to determine the sum of the series?</h3>
The series is given as:
6 8 10 12 14 16 18 20 22 24 26
The above series is an arithmetic series with the following parameters:
First term, a = 6
Last term, L = 26
Number of terms, n = 11
The sum of the series is calculated using:

This gives

Evaluate

Hence, the sum of the arithmetic series 6 8 10 12 14 16 18 20 22 24 26 is 176
Read more about arithmetic series at:
brainly.com/question/6561461
#SPJ4
Answer is D. 3(x - 7) = 3x - 21
because
3(x - 7) = 3x - 21
Distributive property
3x - 21 = 3x - 21
0 = 0
Infinitely many real solutions
I want to say the first one, but i do not know for sure.

The length of the curve is