Answer:
11
Step-by-step explanation:
look at the pic
:) ur welcome
-1 and 1 are opposites, not decimals, and not fractions. Please mark Brainliest!!!
Answer:
Option D. 
Step-by-step explanation:
step 1
Find the midpoint of the given line segment
we know that
The formula to calculate the midpoint between two points is equal to
we have

substitute the values
step 2
Find the equation of the perpendicular bisector
we know that
The equation of a perpendicular bisector is equal to the x-coordinate of the midpoint, because is a vertical line (parallel to the y-axis)
therefore
the equation is equal to

The answer would be A. 344000 and H=6 :)