Ithink that the answer is c can somebody me out ?

Factor this polynomial completely x^2-64

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.