Combine like terms and note the degree
8a^6bc-abc-8a^6bc

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

Plzzz answer both questions and i will give you 100 points