Acertain natural number is not divisible by 7 can it be divisible by 14 why or why not

Determine the solution for mc001-1.jpeg

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?

Yvaries inversely as x. y =12 when x=5. find y when x=4