The half life of an isotope is 10.3 days. If there is originally 250g of the isotope, how long will it be before only 40g remains?

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.

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Which number produces an irrational number multiplied by 1/3