Expand the following using the Binomial theorem or pascal’s triangle

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Ineed to know the answer to this algebra question.

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 ?