Solve the equation by multiplying both sides by the LCD.1 - 
- 
= 0
A. {-9, 5}
B. {-9, -5}
C. {9, -5}
D. {9, 5}
Answer: C
Mathematics
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Solve the equation.- 
(x - 8) - 
(x - 5) = x + 5
A. - 
B. - 
C. - 
D. - 
Mathematics
Find the domain and the range of the relation.
A. domain: [-3] range: (-?, ?) B. domain: [-3] range: (?, -?) C. domain: (?, -?) range: [-3] D. domain: (-?, ?) range: [-3]
Mathematics
Factor the trinomial by grouping.3x2 - x - 52
A. (3x + 13)(x - 4) B. (3x - 13)(x + 4) C. (3x + 4)(x - 13) D. (3x - 4)(x + 13)
Mathematics
Solve the problem.A railroad tunnel has the shape of half an ellipse. The height of the tunnel at the center is 33 ft and the vertical clearance must be 11 ft at a point 12 ft from the center. Find an equation for the ellipse, where x and y are measured in ft. 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics