What is the limit of (2x^3 - 5x^2 + 1) as x approaches 2?
+
Math question: Are the triangles ABC and DEF congruent, given that angle A is congruent to angle D, side AB is congruent to side DE, and side BC is congruent to side EF?
+
What is the measure of the third angle in a triangle if the other two angles have measures of 45° and 75°?