Steve fossett was the first person to make a solo hot air balloon trip all the way around the world. this means he traveled about 20,400 miles in 15 days. what was his average speed in miles per hour? round your answer to the nearest whole number

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.