Solve the system by substitution. If the system is inconsistent or has dependent equations, say so.5x - 2y = -1 x + 4y = 35
A. {(2, 9)}
B. {(3, 9)}
C. {(2, 8)}
D. {(3, 8)}
Answer: D
Mathematics
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Find the sum.5971
A. 224 B. 213 C. 214 D. 203
Mathematics
Determine whether the number is divisible by 2, 3, 4, 5, 6, 7, 8, 9, and/or 10.107
A. 3, 5 B. 3, 7 C. 3 D. None
Mathematics
In the simplex tableau 
, what is the next pivot element?
A. 1 in the first row, second column. B. -3 in the third row, first column. C. 8 in the second row, fourth column. D. 4 in the second row, first column. E. none of these
Mathematics
Translate to an equation and solve. 32% of what is 72?
A. 2250 B. 225 C. 0.44 D. 44
Mathematics