Answer:
D) 15
Step-by-step explanation:
The sum of the interior angles of a polygon is given by

We have that, the sum of the interior angles of a polygon is
26 right angles. We want to find n, the number of sides.
We substitute into the formula to get:

Divide through by 90

Divide through by 2



The answer is 17040.34
Check the annuity due formula
Answer: y=2x+1
Step-by-step explanation:
The slope of the line is 
Using the point (1,3) to substitute into point-slope form,

Answer:
y
1/2x + 2 :)
Step-by-step explanation: