Which best describes the error in solving the inequality?

Can you me find the missing length. i attached an image.

The function models the number of accidents per 50 million miles driven as a function

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.