Given matrix A, find the indicated cofactor.Find A21.A = 
A. -3
B. 3
C. 9
D. -9
Answer: B
Mathematics
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Find 
by using the Chain Rule. Express your final answer in terms of t.w =x2 + xy + y2, x = e3t, y = t
A. 3e6t + (3t + 1)e3t + 2t B. 6e6t + (3t + 1)e3t + 2t C. 3e6t + (3t + 1)e3t + 6t D. 6e6t - 3te3t + 2t
Mathematics
Graph the function.y = 3 tan(2x)
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.In your own words, explain how you would solve a word problem using proportions.
What will be an ideal response?
Mathematics
Factor out the greatest common factor.x(x + 14) + 8(x +14)
A. (x2 + 14x) + (8x + 112) B. 8x(x +14) C. 14x(x + 8) D. (x +14)(x + 8)
Mathematics