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What is the slope of the line shown below?

How to write four times a number, minus 6,is equal to theee times the number+8 as an equqtion

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.