Answer:
a = 8 and b = 15
Step-by-step explanation:
I just finished it :D
Answer: I think the answer is C
9, because there are 3 people with 3 positions not counting helen as she is fixed as the first one. Hope this helps and please vote me as brainliest!
Answer:
Perimeter is 35 units.
Step-by-step explanation:
A heptagon has 7 equal sides.
Given the length of two consecutive vertices, A(-2-5) and B(1,-9).
We can find the length of AB and multiply by 7.
Recall the distance formula;

The length of AB is





Therefore the perimeter is
.
The answer in simplest form is 5/12 or .416.
You find this by finding the common denominator of the two and then multiplying.
Hope this helps!
~Jessica