Answer:
(1, 3)
Step-by-step explanation:
The center of a hyperbola can be found by looking at the midpoint between the two vertices.
Here, the two vertices are (1, 8) and (1, -2). We use the Midpoint Formula to figure out the vertex:
Midpoint is: 
Thus, the answer is (1, 3).
Hope this helps!
Answer:
The correct answer is option D
Step-by-step explanation:
Number of yarns purchased by Rebecca 
Cost of one yarn 
Cost of 6 yarn 
Cost of 6 yarn after discount of 
%
Cost after tax of 8%
606 then she will earn more
The increase of 45 to 75 is a positive increase. The decrease from 75 to 45 is a negitive
