Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.-5x + 3y = 8-2x + 4y = 20
A. (2, 6)
B. (-2, -6)
C. (6, 2)
D. (-6, -2)
Answer: A
Mathematics
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A. 
?
B. 
C. 
D. 
?
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Solve the problem.A trough is to be made with an end of the dimensions shown. The length of the trough is to be 
long. Only the angle ? can be varied. What value of ? will maximize the trough's volume?
A. 14° B. 30° C. 32° D. 46°
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Decide whether the rational number yields a repeating or a terminating decimal.
A. Repeating B. Terminating
Mathematics