(9, -4); slope 2 over 3. what does y equal

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.

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?