Compute the determinant of the matrix. If the determinant is nonzero, use the formula for inverting a 
matrix to calculate the inverse of the given matrix.
?
?
A. -5; 
B. -10; 
C. 5; 
D. -4; 
E. -10; 
Answer: A
Mathematics
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Use the table below to write the Mayan numeral as a Hindu-Arabic numeral.
A. 3048 B. 888 C. 512 D. 24
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Graph the function over a one-period interval.y = 2 cos
A. 
B. 
C. 
D. 
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Solve.Two airplanes leave an airport at the same time, one going northwest at 405 mph and the other going east at 326 mph. How far apart are the planes after 3 hours (to the nearest mile)?
A. 1618 mi B. 1730 mi C. 2028 mi D. 676 mi
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