Find the equation of the circle whose center and radius are given. center ( 7, -3), radius = square root 7 ???

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

Find the zeros of each function. f(x) = x^2 + 5x - 6