The equation of the parabola is:

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The <em>equation </em>of a parabola of vertex (h,k) and focus (0,f) is given by:

- Vertex at the origin means that
. - Focus (0,6) means that

Thus, the equation of the parabola is:



A similar problem is given at brainly.com/question/15165354
Answer: A, C, and E! I just took this on Khan Academy! Please mark me brainliest because it it correct!
Answer:
I think ( b) is non proportional linear
B) 12 inches would be the most accurate measurement.
Since the ruler is exactly 1 foot long, the most accurate measurement is 12 inches. 12.005 is a tempting answer, since it is the most specific/exact, but 12 inches is the most accurate, since this is equal to exactly one foot.
Answer:
3\6 or ½ or 0.5
Step-by-step explanation:
Hope this helps,
just a cheerful teen willing to help...