Help please. Round to the nearest hundredths

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

How do you write y-10=2 (x-8) in standard form