Use the definition of absolute value.

The absolute value is always non-negative. So if
is already non-negative,
is unchanged. But if
is negative, then
because multiplying
by -1 makes it positive.
Now, if
, then by the definition of absolute value,

Answer:
(first and brainliest??) 27 degrees
Step-by-step explanation:
The top triangle's missing angle is 75 degrees because 85+20=105 and 180-105=75. Knowing this, we know that the angle that's connecting the two triangles is also 75 degrees. 78+75=153 and 180-153=27
Answer:
lol that just means free points for me. ;)
Answer:
I can’t give you the answer but there this google app
Step-by-step explanation:
Called algebratiger