What is the missing number?
13
32
84
21
8
52

Plz heeeeeeelp plz give me the answer

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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.