Solve the inequality and graph the solution set.4x - 4 ? 3x - 13
A. {x|x < 4} or (-?, 4)
B. {x|x ? -9} or (-?, -9]
C. {x|x > 4} or (4, ?)
D. {x|x ? -9} or [-9, ?)
Answer: B
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Solve the proportion equation. 
= 
A. 49
B. 49
C. 49
D. 49
Find an equation of the plane that passes through the line of intersection of the planes x-z=1 and y+2z=3 is perpendicular to the plane x+y-2z=2.
What will be an ideal response?
Find an equation of a line satisfying the following conditions.Parallel to x = 4, passing through 
A. x = - 
B. y = 5
C. x = 
D. y = - 
Solve the problem.The inequality |T - 8| ? 13 describes the range of monthly average temperatures T in degrees Fahrenheit at a City X. (i) Solve the inequality. (ii) If the high and low monthly average temperatures satisfy equality, interpret the inequality.
A. -20 ? T ? 36; The monthly averages are always within 
B. -5 ? T ? 21; The monthly averages are always within 
C. 21 ? T ? 34; The monthly averages are always within 
D. 36 ? T ? 64; The monthly averages are always within 