The GCF is 3. 9 is 3 and 3 ; 21 is 7 and 3
Answer:
Well, Your best choice is y=1/4x+ 1
Sorry, I don't have a explanation. Hope This Helps!!~
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Answer:
Supplementary Angles.
Two Angles are Supplementary when they add up to 180 degrees. Notice that together they make a straight angle. But the angles don't have to be together.
Answer:
120 degrees
Step-by-step explanation:
Attached is a screenshot.
y = 180 - 50 - 70 = 60.
x + y = 180, so x = 120
Remember to try to use parallel lines when you can
The second uses the same method, just the opposite side.