I think that equals 16777216
7 and 6 are parallel was that the answer you were looking for?
Without further information, you can't deduce the length of one side of a triangle knowing the other two.
You can only use the inequalities that tell you that the sum of two sides is greater than the remaining one to get
which is true for all positive x values
So, knowing only the length of two of the sides, we can only say that the third side is between 3 and 35 inches long.
18:10 is and equivalent ratio