Test the independence of the two variables in the table below: Var2 below\Var1-> Happy Sad Yes 40 120 The data is consistent with being independent The data is consistent with being dependent No 80 200

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A: The matrix is given byTo determine: The inverse of the given matrix.Formula used:

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A: From the figure  ∠1=∠3                                       ∵Corresponding angles∠1=88∘ ∠1+∠2=180∘…

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A: We know that  i4 =1 and i2 =-1 So that  (i4)9 = 19 i.e. i36 = 1 So that  i39 = i36 . i2 . i =…

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Q: Given the graph of the following equation, what is the solution? √x+27= x-3 18 6

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Q: 11V-6 11V2

A: We have given  11√-6/11√2

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Q: [5 a = 1 b = [308] Calculate the following products and sums or give reasons why they are not…

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Q: The graph on the left was created by transforming f(x) = x'. Determine the equation of the graph.…

A: We need to determine equation of graph.

Q: Write .39 in words.

A: Convert number to words