Which whole number property is represented? 11 + (4 + 9) = (11 + 4) + 9

Commutative Property of Addition

Associative Property of Addition

Identity Property of Addition

Write the rational number in lowest terms 99/-15

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

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.