If you find the common denominator for each fraction you get raisins are 15/30, walnuts are 12/30, and almonds are 10/30, so the weight of walnuts > weight of almonds
About 7
8 dozen=96 bagels (12 bagels per dozen) divide by 14 for thats how many fit on a plate which equals 6.857142857 round to the nearest whole number
Divide the nonagon radially into 9 congruent, equilateral isosceles triangle. Each triangle has vertex angle of 360°/9 = 40°. Interior angle of polygon = 180°-40° = 140°. Sum of interior angles = 9(140°) = 1260°