You suspect that there is a relationship between the student marks and the amount of time they spend on social media.

a) write a hypothesis that relates these variable.

b) write the opposite hypothesis with respect to this relationship.

Which is a graph of a proportional relationship?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job. write the function's formula.

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries. what fraction of kathy’s money was left?