Answer:
HI TO YOU HAVE A GOOD DAY AND NICE DAY
Assignment: 
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Answer: 
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Explanation: 
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Note: 
[ Step One ] Apply Rule - (-a) = a

[ Step Two ] Add

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A because your not dividing it by 5 your subtracting 5 from k divided by 2
The first and last choices are true.
First Choice:
7 of a total of 16 cells should be shaded.
Last Choice:
Double the numerator and denominator of 6:8. 12 is greater than 7 (12:16 and 7:16)
Hope it helped and I hope those are the correct answers.