Solve the problem.Use the figure to find the length L of the rectangle from its width and area A. Determine L when 
A. 8x + 1; 33 ft
B. 2x + 1; 9 ft
C. 8x + 2; 34 ft
D. 2x + 8; 16 ft
Answer: C
Mathematics
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Find the vertices of the hyperbola.9x2 - 25y2 = 225
A. (-5, 0), (5, 0) B. (0, 3), (0, -3) C. (0, 5), (0, -5) D. (-3, 0), (3, 0)
Mathematics
Introduce slack variables as necessary, and write the initial simplex tableau for the problem.Find x1 ? 0 and x2 ? 0 such that2x1 + x2 ? 183x1 + 5x2 ? 75and z = 4x1 + 2x2 is maximized. 
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Write the solution set in interval notation and graph it.-30r + 24 ? -6(4r + 5)
A. (9, ?)
B. (-?, 9)
C. [9, ?)
D. (-?, 9]
Mathematics
Solve the equation.
x = 23
A. 25 B. 46 C. 44 D. 23
Mathematics