It's a proportion.
2 is to x as 15 is to 9, or 2/x = 15/9.
Multiply the means and extremes
15x = 18
divide both sides by 15 to get x by itself.
x = 1.2
Undefined, as no x-value is given
470,000 because when you round the number up, you get 470,000. it is reasonable
The answer is for this question is D
Answer:
Parallel lines are lines <u>in the same plane</u> that do not intersect, like lines on notebook paper.
The "in the same plane" requirement is important! Take a look at the attached image. Lines AD and DC don't intersect, but they are <u>not</u> in the same plane (face of the rectangular solid). We don't call those parallel, we call them skew lines.