Factor the trinomial.y2 - 10y + 21
A. (y - 21)(y - 1)
B. (y - 3)(y + 7)
C. (y - 3)(y - 7)
D. (y + 3)(y + 7)
Answer: C
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Solve the equation.9x - (4x - 1) = 2
A. - 
B. - 
C. 
D. 
Solve the problem.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 9 miles, the distance between the cars was 3 miles more than the distance traveled by the car heading east. How far had the eastbound car traveled?
A. 12 mi B. 15 mi C. 18 mi D. 9 mi
Solve the inequality and graph. Express your answer in interval notation.-29 ? -4x - 1 ? -13
A. (-7, -3)
B. [3, 7]
C. [-7, -3]
D. (3, 7)
Write the equation of the ellipse with vertices at 
, 
and with
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?
A. 
B. 
C. 
D. 
E. 