For each of the eight roles of variables, write about an app that you use or that you would like to make that could or would need to use a variable to fulfill that role. you might be able to think of one program or app that uses all 8 roles for variables. explain how each role will play an important role in your app.

i would first let him be aware that a cover letter is official and confidential and it requires a proper formatting so that the employer doesn't have hard time when going through it. he should write it in paragraphs of about two to four sentences and use proper grammar a , spelling and proper punctuation. i will also advice him not to be emotional and not also to use images.then base his attention to the details of the job described and not other things. that is he be specific to the responsibilities and to the employers requirements. on this he should make sure that the letter reflects how good he is for the requirements detailed by the employer

the letter should not be too long nor too short.

b. take periodic breaks and alternate between tasks.