Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will be given by the formula 
How much will today's dollar be worth in 4 years? Round the answer to the nearest cent.
A. $3.36 B. $3.20 C. $0.93 D. $0.50
Mathematics
Graph the system of inequalities.x - 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Mathematics
Round to the nearest thousandth.6.49999
A. 6.500 B. 7.000 C. 6.490 D. 6.590
Mathematics
Divide.
A. 8 B. 18 C. 1.8 D. 0.8
Mathematics