Find the Distance (Correct to Two Decimal Places) Between the Given

Multiple Choice

Find the distance (correct to two decimal places) between the given parallel planes. Select the correct answer.
$6 x + 7 y - 2 z = 12$ and $12 x + 14 y - 4 z = 30$

A) $0.32$
B) $2.32$
C) $4.32$
D) $6.32$
E) $9.32$