Use the figure to find the measures of the numbered angles. ∠3 = ∘ ∠4 = ∘

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 between a regular hexagon with sides of 6" and its inscribed circle.

Let f(x) = 1/x^2 (a) use the definition of the derivatve to find f'(x). (b) find the equation of the tangent line at x=2