Mrs. smith has 550 antique wooden spools that can be sold. if she plans to 20 packages of spools for her grandchildren, what is the maximum number of spools she should put in each?

do you divide for this question?
or do something else?

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

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet