Fwee points also can somebody please answer my last 2 question pwease ♡

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.

Prove that 16^4-2^13-4^5 is divisible by 11.

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?