5.
the height and radius of a right cylinder are each 4 cm. what is its volume?
128π cm3
32π cm3
512π cm3
64π cm3

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Can some one me with these questions

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