The speed is the ratio between the distance and the time:

Data:
d=6343miles
t=9h

Then, the plane traveled at a speed of 704.77 miles per hour.
Answer:
B. 1/(3xy^3)
Step-by-step explanation:
The minus sign can be dealt with first, then the root taken.

Answer:
the correct answer would be c. 20 minuets
Step-by-step explanation:
Answer:
8 cubic units
Step-by-step explanation:
Count it. It's all visible for this question.
Well 746÷40=18.65 so would that be 18?