Write the augmented matrix for the system. 5x - 2y + 7z = 21-2x + 9y + 8z = -14 9x + 2y + 7z = 21
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Write the numeral as a Hindu-Arabic numeral. ? ?? ????
A. 24,322 B. 22,322 C. 21,322 D. 23,322
Mathematics
Find the x- and y-intercepts for the equation. Then graph the equation.6y - 3x = -9
A. (-3, 0), 
B. 
, (0, 3)
C. (3, 0), 
D. 
, (0, -3)
Mathematics
Supply the missing numbers. Round decimals to the nearest thousandth and percents to the nearest tenth of a percent.fractiondecimalpercent?0.033
A.
 ? | 0.33% |
B.
 ? | 0.33% |
C.
 ? | 3.3% |
D.
 ? | 3.3% |
Mathematics
Graph the polar equation.r = 3 + sin ?
A. 
B. 
C. 
D. 
Mathematics