Which of the following can be implemented on a WAP to ensure that only certain client machines can access it?

In the recursive solution to the kth smallest item problem, the problem size decreases by ______ at each recursive call.

a) 1 b) at least 1 c) half d) at least half

Cell and range names can use uppercase and lowercase letters, digits, and spaces.

Answer the following statement true (T) or false (F)