Answer:

Step-by-step explanation:
To preface, your figure is going to be a line segment, with
as your midpoint, in between points
& 
With that being said:

Identify your values:

Substitute the values into the first equation:

Combine like terms:

Subtract
from both sides of the equation:

Divide by the coefficient of
, which is
:

Substitute
for
in segments
&
:




Solve:


Check your answers by substituting:


Answer:
its B
Step-by-step explanation:
D is correct. U is incenter of the triangle.
Answer :
A prism __<u>always</u>___ has two congruent, parallel bases.
always
sometimes
never