Theelseportion of anifstatement is mandatory.

When calculating a ________, the number range that is averaged is constantly changing, dropping off the first number in the range and adding on the most recent number

A) break-even point B) moving average C) scenario D) projection

Each case in a switch statement is followed by a(n) ________.

a) expression b) controlling expression c) test expression d) line-continuation character e) loop-continuation condition