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Great question? What is the probability of rolling a sum of four when rolling 2 6 sided number cube is? A 1/12 B 1/18 C 1/9 d 1/4? Do men ovulate as well as women? Find the volume of the square pyramid shown. Round to the nearest whole number. The diagrams are drawn not to scale? If r=a√(1- cos x), show that (dr/dx)=(a/√2) cos(x/2)?