Write an equation of the line that passes through the point (8, -1) and is perpendicular to the line pictured.

2.5 milligrams is equivalent to how many grams

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.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.