Let A = {x, {x}, {y}, z} Which of the following is a subset of A?

{z, y, x}

{{x}, {z}}

{x, y}

{x, {y}, z}

The basic work area of the computer is it screen that you when you first fire up your computer

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Write a program that begins by reading in a series of positive integers on a single line of input and then computes and prints the product of those integers. integers are accepted and multiplied until the user enters an integer less than 1. this final number is not part of the product. then, the program prints the product. if the first entered number is negative or 0, the program must print “bad input.” and terminate immediately