They have the same volume, so it's not a or d, but the surface area of a is 104, and the surface area of b is 94, so the answer is B.
Hope i helped! i also have this question in k12.<span />
Answer:
m=1
Step-by-step explanation:
The equation of a parabola is:

If a>0, then the parabola opens up;
If a<0, then the parabola opens down.
The coordinates of focus are:
Answer:
Simply divide the numerator by the denominator:
= 2/11
= 2 ÷ 11
= 0.18181818181818
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