Two DVDs and three game disks cost $137.79. Four DVDs and one game disk cost $75.73. What does one of each cost?
A) DVD = $9.09, game disk = $39.87
B) DVD = $11.88, game disk = $40.09
C) DVD = $9.15, game disk = $39.83
D) DVD = $8.94, game disk = $39.97
E) DVD = $9.00, game disk = $39.93
D) DVD = $8.94, game disk = $39.97
Mathematics
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Convert 0.7 kilograms into ounces.
A. 700 oz B. 29.5 oz C. 24.5 oz D. 2.45 oz E. 0.0245 oz
Mathematics
Solve the following system by any appropriate method. If there is no real number solution, so state.xy = 1-20x - y = 9
A. (4, -4), (5, -5)
B. (-4, - 
), (-5, - 
)
C. (- 
, -4), (- 
, -5)
D. no real solution
Mathematics
Multiply.-12x3(2x4 - 6x2 - 3)
A. -24x7 + 72x5 + 36x3 B. -24x7 + 72x5 C. -24x4 + 72x2 + 36 D. -24x7 - 6x2 - 3
Mathematics
Graph the inequality.y2 ? 9 - x2
A. 
B. 
C. 
D. 
Mathematics