Find the inverse of the matrix, if possible.A = 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Mathematics
Factor out the GCF from the polynomial.21x4 - 9x3 + 12x2
A. x2(21x2 - 9x + 12) B. 3(7x4 - 3x3 + 4x2) C. 3x2(7x2 - 3x + 4) D. 3x(7x3 - 3x2 + 4x)
Mathematics
Use the binomial theorem to expand the expression.(3x - 2y)3
A. 9x3y - 12x2y2 + 4xy3 B. 27x3 - 18x2y + 12xy2 - 8y3 C. 9x3y - 6x2y2 + 4xy3 D. 27x3 - 54x2y + 36xy2 - 8y3
Mathematics
Write a fraction in simplified form that expresses the ratio of 0.05 to 0.1. ?
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B. 
C. 
D. 
E. 
Mathematics