NEED ANSWER ASAP. I’ll mark brainliest if correct Select the correct answer.

Which concept in 00P explains the relationship between the classes nation and president, where the class nation has-a (an) object of class president?

-aggregation
-association
-abstraction
-composition
-inheritance

What is a rush associated with alcohol?

Some of the first computer games were created in the early 1970s by college students experimenting after hours to see what the were capable of doing.

Dean wants a quick way to look up staff members by their staff id. in cell q3, nest the existing vlookup function in an iferror function. if the vlookup function returns an error result, the text “invalid staff id” should be displayed by the formula. (hint: you can test that this formula is working by changing the value in cell q2 to 0, but remember to set the value of cell q2 back to 1036 when the testing is complete.)