Identify a true statement about a flat file system. a. Data in a flat file system can be updated efficiently. b. Data in a flat file system may not be updated in all files consistently. c. Data duplication in a flat file system is very efficient. d. Data in a flat file system can be easily managed.

Write a function 'music_func' that takes 3 parameters -- music type, music group, vocalist -- and prints them all out as shown in the example below. in case no input is provided by the user, the function should assume these values for the parameters: "classic rock", "the beatles", "freddie mercury". for example: input: alternative rock,pearl jam,chris cornell output: the best kind of music is alternative rock the best music group is pearl jam the best lead vocalist is chris cornell note: the print statements will go inside the for example: print("the best kind of music is"

The most complicated four letter word

Verify each identity[tex] \frac{csc}{cot \: x \: + \: tan \: x} = cos \: x[/tex]