There is a moveing sidewalk in the local mall when Marlow stands still on the moveing sidewalk it takes her 180 seconds to get from one end of the sidewalk

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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.

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?