Solve the system by elimination. x - 3y = -8 6x - 4y = 22
A. ?
B. {(6, 6)}
C. {(7, 5)}
D. {(-7, 6)}
Answer: C
Mathematics
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Determine either absolute convergence, conditional convergence or divergence for the series.
A. Converges conditionally B. Diverges C. Converges absolutely
Mathematics
Graph.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A rectangular box with volume 470 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost the box as a function of x.
A. C(x) = 2x2 + 
B. C(x) = 4x + 
C. C(x) = 3x2 + 
D. C(x) = 3x2 + 
Mathematics
Use the quadratic formula to solve the equation. (All solutions are real numbers.)(2x - 1)(x + 1) = 4
A. 
B. 
C. 
D. 
Mathematics