The hundredths place is the number two to the right of the decimal(so the one in 0.01). The value would be 4.
Y is parallel to S because angle 4 and angle 5 are alternate interior angles.
Hope that helps.
The length of a side is 18.
Here is my work attached:
The line intersect at zero points. ( the lines are parallel)
The lines intersect at infinitely many points