Solve the system of equations by the substitution method.
A. 
B. no solution
C. 
D. infinite number of solutions
Answer: C
Mathematics
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Use the information in the table to answer the question.
For which category is the sum of the changes in 2005 and 2006 equal to zero?
A. Postage B. Supplies C. Publicity D. Decorations
Mathematics
Provide the proper response. Show all fractions in simplest form.Write a fraction to represent the shaded portion of the figure.
A. 
B. 
C. 
D. 
Mathematics
Round to the indicated place.685,123 to the nearest ten thousand
A. 680,000 B. 700,000 C. 690,000 D. 685,000
Mathematics
Evaluate the expression if a = -5, b = 16, and c = 7.9ab + 8c
A. 191 B. -664 C. -141 D. -760
Mathematics