Someone help me what is the is it linear or exponential please is for now

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.

How can constraints be used to model a real-world situation?

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319