_______ attributes define how browsers should render the associated elements in Web pages.

To create a query using multiple tables, a ________ must exist between common fields

A) join line B) key C) relationship D) thread

The behavior of quick sort is ____ in the worst case and ____ in the average case.

A. O(nlog2n), O(nlog2n) B. O(n2), O(n) C. O(nlog2n), O(n2) D. O(n2), O(nlog2n)