Can 1/5 be simplified.

Which is the completely factored from of xy^3-x^3y

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?