Over and 12 hour period from 8 p. m. to 8 a. m. the temperature fell at a steady rate of 8 f to -16 f. if the temperature fell at the same rate every hour, what was the temperature at 4 a. m.

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

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.