Answer:
keys in a worst case scenario
Explanation:
So, Average will be : 
(Answer)
It should be noted that the process of redefining the functionality of a built-in operator to operate is known as <u>operator overloading</u>.
Operator overloading simply means polymorphism. It's a manner in which the operating system allows the same operator name to be used for different operations.
Operator overloading allows the operator symbols to be bound to more than one implementation. It's vital in redefining the functionality of a built-in operator to operate on programmer-defined objects.
Read related link on:
brainly.com/question/25487186
You must first locate the queries group on the create tab.
This tab contains the commands used to create queries. MS Access will switch
itself to the query design view. A show table dialog box will appear and you will
be able to select a table you would want to run a query on.
Probably providing a common calendar