Step-by-step explanation:
If we convert

to a Cartesian equation,





So we have a circle with center (-5,0), with a diameter of 10.
You are multiplying the 3x by 6
the last choice is correct
Yes. A regular polygon is equilateral and equiangular; an equilateral triangle is both equilateral and equiangular, so a triangle can be a regular polygon.
Hope this helps!
$1.10 per pound for the 1-pound bag.
$0.96 per pound for the 2-pound bag.
$0.92 per pound for the 3-pound bag.
As the quantity of sugar increases, the unit cost decreases.