Answer:
the 2nd answer
Step-by-step explanation:
it makes sense
Answer:
A.
Step-by-step explanation:
B. y = 0x =0, or y =0, y is a constant.
A. y = 0.5x, in general from y = kx. It is the direct variation.
Answer
Step-by-step explanation:
First you had to used their apply complex arithmetic rule.

Then you had to refine by equation.

Finally, refine again by equation.

Final answer: 
Hope this helps!
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-Charlie