Solve the inequality.|11x + 7| < 0
A. (-?, ?)
B. 
? 
C. {- 
}
D. ?
Answer: D
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Simplify.
A. 3054 B. -3054 C. 2054 D. 1054
Determine whether the system corresponding to the given augmented matrix is consistent or inconsistent. If it is consistent, give the solution.
A. consistent; x1 = 8, x2 = -7, x3 = -3, x4 = -7; (8, -7, -3, -7) B. consistent; x1 = 3 + x4, x2 = -5 + 8x4, x3 = -7x4, x4 any real number or {(x, y, z)|x1 = 3 + x4, x2 = -5 + 8x4, x3 = -7x4, x4 any real number} C. consistent; x1 = 3 - x4, x2 = -5 - 8x4, x3 = 7x4, x4 any real number or {(x, y, z)|x1 = 3 - x4, x2 = -5 - 8x4, x3 = 7x4, x4 any real number} D. inconsistent
Solve the equation.(x + 3)3/2 = 125
A. ? B. {22} C. {28} D. {2}
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 
and the gorge is 560 ft deep, during what interval can the flare be seen?(h = -16t2 + vot + ho.)
A. 5 < t < 7 B. 0 < t < 5 C. 10 < t < 12 D. 15 < t < 17