If you need to know the number of records that are included in a list, use the ________ function

The statements in the body of a do-while loop are executed

A) exactly once. B) at least once. C) only if the test condition is initially true. D) until the test condition becomes true. E) forever until the user hits the break key.

Assume the key of the left child below the root node of a binary search tree is 30. The value in the root node could be ____.

A. 0 B. 10 C. 30 D. 40