A circle with center c(4,-2) contains the point d(8,1). what equation of the line perpendicular to the radius of the circle passing through c

Examine the population chart of niger. based on this chart, niger is in the stage of thompson’s demographic transition. a. balance b. growth c. leveling d. replacement

Find lake kissimmee in the middle of the state. into what river does the lake drain?

People keep spending additional units of a particular resource on a want until their marginal benefit is  decreasing withgreater thanless thannot affected by  their marginal cost.