If the volume for 3-d polyhedra a is 200cm and the volume for 3-d polyhedral b is 800cm^3 how many times bigger is the volume of pyramid b than pyramid a? possible answers: a: 0.4% b: 4% c: 40% d: 400%

step-by-step explanation:

∆abc has the points a(1, 7), b(-2, 2), and c(4, 2) as its vertices. formed with the point d(1, 2) as its third vertex, then ∆abd is triangle.

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a

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