Answer:1. Angle BDA and angle BEA are the same angles.
2.AB is the bisector of the quadrilateral (It splits it in half turning it into two triangles that are exactly the same).
Step-by-step explanation:
The second machine would print 750 books in 30 hours that week.
55) -9
56) 12 2/3 or 12.66666666667
57) -46 2/4 or -46.6666666667
58) 7 9/16 or 7.56
59) -15
60) 3 1/10 or 3.1
61) 6 2/3 or 6.666666666667
62) -13807.5
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I am not sure but I believe it is X