21 divide by 4 is 5.25. She travels 5.25 miles per hour. 42 divide by 5.25 is 8. It would take 8 hours for Shelly to bike 42 miles.
Answer:
The second one
Step-by-step explanation:
Becaue you have to combine like terms
Answer:
6500
Step-by-step explanation:
6700-200= 6500
6500 ft above sea level
Answer:

Step-by-step explanation:
SInce she used
of it we will divide
by 
