Answer:
The answer is

Step-by-step explanation:
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Answer:
option 2. 9.3+b=14.5
Step-by-step explanation:
I hope that the answer is clear
Obviously it's answer D) Why?
a) any side of a triangle is SMALLER than the SUM of the 2 others
b) any side of a triangle is GREATER than the DIFFERENCE of the 2 others
Hence D) 8-5 < QS < 8+5==>3 < QS < 13