The distance a body falls from rest varies as the square of the time the body is falling. if a body falls 64 ft. in two seconds, how far will it fall in seven seconds?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap