Solve the linear system using an inverse matrix.
A. (1, -2)
B. (2, -1)
C. (-1, 2)
D. (-2, 1)
Answer: D
Mathematics
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Write as a percent.1
A. 16.4285714% B. 164.285714% C. 1.64285714% D. 82.1428571%
Mathematics
Find an algebraic expression for the given expression.sin(2 tan-1 3x)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Let H(x) = 3x2 - 6x. Find x such that (x, -3) is on the graph of H(x).
A. x = -1 B. x = 1 C. x = ±1 D. no solution
Mathematics
Evaluate to four decimal places using a calculator.e-0.90
A. 2.4596 B. 0.4066 C. 0.4493 D. -2.4465
Mathematics