8x+54x+140 where x is the number of $1 increases in prices

Ruby and chung work together ruby lives 13 1/2 miles from work chung lives 2 1/6 miles beyond ruby how far from work does chung live

What is the definition of exponential decay?

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