The stander roll is 4.5 inches by 4.5 inches and changed to 4.1 inches and the length of one sheet changed to 3.7 inches and a roll has 132 sheets how much longer is the standard roll than the new when unrolled?

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?