Determine whether the given ordered pair is a solution to the system.(-3, 1)
A. no
B. yes
Answer: B
Mathematics
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Find the interval of convergence of the series.
A. 5 < x < 7 B. -? < x < ? C. x < 7 D. 5 ? x < 7
Mathematics
Graph on the number line, and express in interval notation.The set of all real numbers less than or equal to 0.
A. (-?, 0]
B. (0, ?)
C. (-?, 0)
D. [0, ?)
Mathematics
Write the complex number in trigonometric form. Begin by sketching the graph to help find the argument ?.
?
What will be an ideal response?
Mathematics
Find the production matrix for the input-output and demand matrices using the open model.A = 
, D = 
A. 
B. 
C. 
D. 
Mathematics