Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Subtract 12 From Both Sides

[ Step Two ] Simplify

[ Step Three ] Subtract 8x From Both Sides

[ Step Four ] Simplify

[ Step Five ] Divide Both Sides By 3

[ Step Six ] Simplify

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Answer:
3/4
Step-by-step explanation:
Take Kitzen's number of raffle tickets and put them over Ava's tickets to give you 12/16 and the simplify which gives you 3/4 because the fraction is divisible by 4.
Answer:
By Looking at the shapes and sizes
Step-by-step explanation:
If you can try and look at the shape and size of it, if you can draw it, draw it on a piece of paper, trace them both, but in the same spot, you didn't specificize, if it was a sphere or just a regular circle or not, so thats all i can tell you.
The Answer Is 6 Because -x=7-13
-x=-6
X=6