Cho is making banners shaped like triangles out of rectangular pieces of fabric. She cures out two triangles banners as shown. A. What is the area of a triangular banner? B. What are the dimensions of the fabric left over after Cho cuts out the two banners? C. What is the maximum number of banners that Cho can cut out from the fabric? Will she use all the fabric?

the correct answer is a.) bc< mn 5 stars if this you : )

step-by-step explanation:

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mrbilldoesmath!

answer: a parabola

steps:

(x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                = x^2 +4x -x -4   = x^2 +3x -4

which is a parabola

mrb

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