In an object-oriented development framework for a university, how would the classes degree, mathematics, and physics be related? mathematics and physics would be ancestors to degree. degree would be a sister class to mathematics and physics. degree would be a subclass to mathematics and physics degree is a superclass to mathematics and physics.

In 1990, the average income for an american worker was $1,518 per month. in 2000, the average income for an american worker was $2,632 per month. during this time period, a basket of necessities (food, housing, etc.) increased from $657 per month in 1990 to $1,402 per month in 2000. the real value of income ▼ increased decreased over that 10-year period.

The u.s. intervened in korea and vietnam to stop the spread of

The cause and events that led to civil rights