Acompany gives raises once a year. amir's present salary is $12,000. his manager would like to raise amir's salary to $84,000. what percentage would amir be receiving?

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220