The answer is A. Just remember the acronym for foil.
An example of unit price in germany is the electricity
<span><span>an</span>=<span>1<span>a−</span></span></span><span>4a10b</span>n hope i helped
The ordered pair (7,3) means there is an “x” value of 7, and a “y” value of 3 at said coordinate.
