At age 9, Gerald is 5 feet tall. If he grows at a rate of 1.5 inches per year, how old will he be when he hits 6 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.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is