Answer:
the measure of <6 is 77 degrees
x + 13 = 90
x = 77
Step-by-step explanation:
Answer:
first one : x=−2y−5z−17
2nd one: x=
3
/2
y−z−8
3rd one: x=
−1
/3
y+
1
/3
z+1
Step-by-step explanation:
The answer is 20.
Hope this helps!! May I have brainliest?