Factor by grouping.t2 + 9t + 5t + 45
A. (t - 9)(t - 5)
B. (t + 9)(t + 5)
C. t(t + 45)
D. (t + 9)(t - 5)
Answer: B
Mathematics
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Find the volume of the solid generated by revolving the region about the given line.The region bounded above by the line 
, below by the curve 
, on the left by the line 
, and on the right by the line x = 0.5, about the line 
A. 
? - 100
B. 
?
C. 
?
D. 75? - 50
Mathematics
Determine whether the indicated ordered pair lies on the graph of the given equation.y = 
- 4, (4, 0)
A. Yes B. No
Mathematics
Solve quadratic equation by factoring.7x2 - 55x - 8 = 0
A. - 
, 8
B. - 
, 7
C. -7, 8
D. 
, - 
Mathematics
Answer the question.In which quadrants do the nonreal cube roots of -1 lie?
A. The second and fourth quadrants B. The first and fourth quadrants C. The second and third quadrants D. The first and third quadrants
Mathematics