Solve the system by the substitution method or the addition method.
A. (3, -5)
B. 
C. (-2, 11)
D. (5, -1)
Answer: D
Mathematics
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Graph the system of inequalities.y ? 2x - 1x + y ? 4
A. 
B. 
C. 
D. 
Mathematics
Graph the solution of the system.3x - 2y ? 6 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Using the critical-path algorithm to schedule this project with three processors, the project finishing time is
A. 13 hours. B. 12 hours. C. 11 hours. D. 14 hours. E. none of these
Mathematics
Provide an appropriate response.The dividends on preferred stock:
A. normally vary with company profits B. are usually higher than common stock dividends C. are not taxable D. are normally paid at a fixed rate
Mathematics