Given that a travel a distance of 210km in 3hours calculate the speed in unit form in km/h

Give me the equations of two lines that have the same slope but are not parallel.

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.