On a 28-question test, there are 2-point questions, 4-point questions, and 5-point questions. The test is worth a total of 100
points. There are twice as many 2-point questions as 5-point questions on the test. How many 2-point questions are on the
test?

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Question 2 (essay worth 10 points) (03.02 mc) in δabc shown below, point a is at (0, 0), point b is at (x2, 0), point c is at (x1, y1), point d is at x sub 1 over 2, y sub 1 over 2, and point e is at the quantity of x sub 1 plus x sub 2 over 2, y sub 1 over 2: triangle abc is shown. point d lies on segment ac and point e lies on segment bc. a segment is drawn between points d and e. point a is at the origin. prove that segment de is parallel to segment ab.