Answer: 1/5
Step-by-step explanation: Since there are 5 blue/green marbles in the bag of 20 it would be 5/20 or 1/5.
Check the picture. There are 2 interior common tangents, and 2 exterior common tangents which can be drawn.
Answer: 4
I think the answer is 17. The scale is going up by two.
Answer:

Step-by-step explanation:

All we can do here is combine like terms (add those that have the same the same exponent)

Good luck!
The answer in an improper fraction is
47/36
As a mixed number, it is 1 11/36
Hope you become an expert at this soon :)