Please help for 7-8 please.! thank you so much

Apatient receives 250 ml mg of oil drug at noon 6 p.m. and midnight the drug has a half life of 6 hours how much does a drug remain in the patient at 6 a.m. the next day

The three parts of the health triangle need to be and

The menisci in the knee joint can be torn for a variety of reasons. considering the structure of the menisci would you expect these tears to heal on their own?