Vertex = (1/2,5/2) x= 1 + or - square root of 5-2y all over 2
Answer:
4
Step-by-step explanation:
1/6 of an hour is 10 minutes. there are 60 minutes. 2/3 times 6 is 4. I hope that helped :)

Let

, so that

and

. The integral is then equivalent to
The least common multiple of 5 and 12 is 60.
Add 2 to the interval.
.. [-8, 7]
Consider the range of absolute values of numbers in this interval.
.. [0, 8]
Multiply by -5.
.. [-40, 0]
Add -7.
.. [-47, -7]
This corresponds to selection ...
.. C. [-47, -7]
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For confirmation, here's a graph.