Please help. In 1976, an airplane was flown at a speed of 2193 miles per hour. How many kilometers could the plane fly in 4.3 hours? Use D. A. with these conversion factors: 1mile = 5280ft 1ft =12 inches 1 inch = 2.54cm

answer: you could do some invislibe ink.

explanation: i will tell you how to if u answer my question.

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

the ratio of the conjugate base to the acid required to attain the desired ph.