Please help
Question: 6b = 18
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Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left