What outsourcing? explain by using an example such as a BPO

Outsourcing is the purchase of goods or services from an outside source. When a U.S. company hires an independently-operated call center in India to handle telephone customer service, this is an example of outsourcing customer service. ... Outsourcing is popular because it allows companies to reduce short-term costs.

c. barbarians with unexpected intelligence  

we know that, volume of a rectangular prism is given by :

✿   {length × width × height}

given : the length of rectangular prism = 5.5

given : the width of rectangular prism = 6

given : the height of rectangular prism = 3

⇒ the volume of given rectangular prism = {5.5 × 6 × 3}

⇒ the volume of given rectangular prism = 99