Given : 1 = 2 *BAC=DAC

a) Prove that 3 = 4

b) Show that ∆ ACB ≅ ∆ ACD

c) Deduce that BC = DC

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Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?