Explain in detail with at least two sentences how to represent the sum of z1 and z2 geometrically given that z1 = − 7i and z2 = 4 + 3i . Then, give the sum z1 + z2 in rectangular form.

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

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.

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters