Need help with 18,19,and 21

I would appreciate it

idk srry

explanation:

working in public administration clerical support,what might one of your jobs be?

clerical work generally involves day-to-day office tasks, such as answering phones and entering data into spreadsheets. these tasks may be performed by secretaries, office clerks and administrative assistants. other duties traditionally associated with clerical work include: word processing and typing.

answer is a.returning items from customers that they did not find worth their money or b.collecting money from people with speeding tickets and filing the information

explanation:

b. collecting money from people with speeding tickets and filing the information is the correct answer choice

this is the sentence that best shows that fast food restaurants are designed for using unskilled labor. 

dont know what all this is english this is america.