TWO MULTIPLE CHOICE QUESTIONS PLS HELP

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Which statement best explains why ben uses the width hi to create the arc at j from point k