What is the average speed in kilometers per hour of a horse that gallops a distance of 15 km in a time of 30 min?

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?

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅