Answer:
Focus of a Parabola. A parabola is set of all points in a plane which are an equal distance away from a given point and given line. The point is called the focus of the parabola and the line is called the directrix. The focus lies on the axis of symmetry of the parabola.
Step-by-step explanation:
C is the answer I pretty sure of it
You add the two numbers together and get $98.81
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Well metric unit is for measurement and place value units is for numbers