Which best describes the relationship between the successive terms in the sequence shown? 2.4, –4.8, 9.6, –19.2

15 points ! ~ see if you know the answer to both you!

Through non-collinear points there is exactly one plane.

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