What are the foci and major axis length of an ellipse with equation (x^2/25) + (y^2/16) = 1?
+
Math question: In triangle ABC, angle A is bisected by segment BD. If angle A measures 80 degrees, angle B measures 60 degrees, and angle C measures 40 degrees, what is the measure of angle BAD?
+
What is the period, amplitude, and vertical shift of the function f(x) = sin x?