Solve the system of equations by the substitution method.
A. (-6, 5)
B. (6, 4)
C. (5, 5)
D. no solution
Answer: B
Mathematics
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If the given sequence is a geometric sequence, find the common ratio.3, -9, 27, -81, 243
A. 3 B. -12 C. -3 D. not a geometric sequence
Mathematics
Simplify the algebraic expression.-7x + 3(4x - 7)
A. 19x + 21 B. 5x + 21 C. 19x - 21 D. 5x - 21
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Use the data in the table to construct a line graph.The following table gives the bushels of rice shipped (in millions) from 1970 through 1976. Label the x-axis and y-axis for the time and the numerical value variables. 
What will be an ideal response?
Mathematics
Rewrite the following number using digits.Five hundred thirty-eight thousand, four hundred forty-four
A. 503,444 B. 530,444 C. 538,444 D. 500,038,444
Mathematics