Answer:
for number one, look at the screenshot attached, that should help
Step-by-step explanation:
Answer:

Step-by-step explanation:

GCF: 
9514 1404 393
Answer:
103
Step-by-step explanation:
The sum of angles in a quadrilateral is 360°, so the measure of x° is ...
x° = 360° -127° -90° -40° = 103°
x = 103
Step-by-step explanation:
I will definitely explain you if you follow me