Time Crunch - please help! Convert the following expressions from reverse Polish notation to infix notation:

15 10 - 6 * 3 +

What is linux? an open source operating system a version of ms dos the first version of unix the newest technology available

Donna and her team of five have invented a new gadget for the science exhibition in their college. which intellectual property right will protect their invention?

Uget brainliest if accurate mary has been given the responsibility of hiring a person for the position of a software testing officer. which management function would mary achieve this responsibility?