Under what condition should an exception always be thrown? Select one:
a. When a method's preconditions have not been met
b. When a divide-by-zero occurs
c. When an anomalous condition appears
d. When the user makes an input error

How do you make a lenny face? plz, brailiest to who can answer first.

George heard about the benefits of a data warehouse. he wants to try implementing one for his organization. however, he is afraid that transferring data to the data warehouse will affect transaction time. which element ensures that transactions are not affected when moving data to a warehouse? when data is transferred to a data warehouse, the a area frees the source system to continue transaction processing.

File i/o activity objective: the objective of this activity is to practice working with text files in c#. for this activity, you may do all code in the main class. instructions: create an app that will read integers from an input file name numbers.txt that will consist of one integer per record. example: 4 8 25 101 determine which numbers are even and which are odd. write the even numbers to a file named even.txt and the odd numbers to a file named odd.txt.