Write a java program for gauss elimination and back substitution. apply the program to the following matrices you must include comments in the program for what the program is doing at every stage throughout the syntax. (this is very important) include results. [2 3 1 -11 1 hh- 2 2 4 0 0 -2 2 -4 5 1 -1 3 3 4 7 2 -7 3-6 5 15 and -3 3 1-1 220

Solve the following javafx application: write a javafx application that analyzes a word. the user would type the word in a text field, and the application provides three buttons for the following: - one button, when clicked, displays the length of the word.- another button, when clicked, displays the number of vowels in the word.- another button, when clicked, displays the number of uppercase letters in the word(use the gridpane or hbox and vbox to organize the gui controls).