Pls tell me quick if i have been haked

Why would a business likely use a java applet - to back up their data files for the business - to create a program that a customer can launch in their web browser - to create music on a powerpoint presentation - to organize files on their company directory

(, urgent need): how do i change my username

Write a chained if-else statement that captures the following scenario: suppose r is a rate for a mortgage loan. if r is less than 2.5% (.025) then print "great"; if r is at least 2.5% but less than 4%, print "good"; and if r is 4% or higher print "not great". enter your code in the box below.