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:
the answer is the second one
Step-by-step explanation:
I took the lesson adn the trst i put the first one in the first tyr but it was th second one tust me
We know that 7/10 of the cookies are chocolate chip, so that means there are 3/10 of the cookies left.
We now want to find what 3/4 of 3/10 is.
We can do this by multiplying both fractions
3/4x3/10 (we just multiply across) to get 9/40.
We cannot simplify this answer, so our final answer is 9/40 of the cookies are sugar cookies.
Wow… how is this a question? .-.
Step-by-step explanation:
Angle b + 100 = 180 (angles on the same straight line)

Angle c = Angle b (Vertically opposite angles)
= 80 deg