Step 
<u>Find the factors of each number</u>
we know that

Step 
<u>Find the greatest common factor (GCF)</u>
the GCF is equal to----------> 
therefore
<u>the answer is</u>
The GCF is 
Answer:
7,14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119,126,133
Step-by-step explanation:
Simplified: 3x+7y+(-2y)+9
Coefficient of y: 5
Constant: 3 and 6
Answer:
Step-by-step explanation:
s= student ticket
g= general admisson ticket
4s+6g=2876
s+g=525
4s+6g=2876
-4s-4g=-2100
add both equations
2g=776
g=388
s+g=525
s+388=525
s=137