a side of a square is 12cm. the midpoints of its sides are joined to form and inscribed square and this process is continued. find the sum of the perimeters of the squares if this process is continued without end.

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

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. ?

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?