Find the value of 9 in 6493

Name the most appropriate metric unit for each measurement like the mass of cow

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.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n