2. The star Polaris has a temperature of 7.200 K and a radius 30 times larger than our sun. Over what distance range will water remain in liquid form? (Note
Astronomers call this the Habitable Zone of a star).

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

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

Find the dimensions of the circle. area = 64π in.² r= in.