Answer:
I think is 15.39 kilometers
Step-by-step explanation:
1 hour=60 minutes +.5 hours =90 minutes = 9 x 1.71 = 15.39
We have the equation:

By arranging this equation in terms of x and y, we have:

By using the method of completing the square, we have:

The center of this circle is:

So the equation that fulfills the statement is:

Finally, the right answer is c)
Answer:
the answer is A
Step-by-step explanation:
because the graph is skewed to the left
√36 = plus or minus 6. These results are real, rational, integer, whole and natural, and yes, there can be more than one answer; that's because we're solving a quadratic equation. Note that both 6 and -6, when squared, yield 36.