For a field trip, 56 students registered. On the day of the field trip, 7 students were unable to go. Which decimal describes the ratio of students who were unable to go to the number of students who registered for the field trip? 0.125

0.143

0.756

0.875

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet