Math
No, component jacks are common in all but the cheapest TV sets. Composite and HDMI are used in the highest quality sets.
A ship sets a course between ports.
Correlation
They are called the intercostal muscles
Cross Products is the ratio between two sets of measurements.
Brown leather desk sets are available at almost any place that sells office furniture. http://www.levenger.com/pagetemplates/navigation/products.asp?params=category=13%7Clevel=2
a bar graph
Data Collection Sets
The control environment that sets the tone of an organization.
That is called the intersection of the sets.
Palistrades
I presume you mean intersecting. Two sets are intersecting if they have members in common. The set of members common to two (or more) sets is called the intersection of those sets. If two sets have no members in common, their intersection is the empty set. In this case the sets are called disjoint.