Choose all the possible phrases StartFraction n over 50 EndFractioncould represent. the quotient of fifty and a number
the product of a number and fifty
the difference of a number and fifty
the quotient of a number and fifty
a number divided by fifty

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?