Solve.Kevin read 
of a book on Monday. He read 
of the book on Wednesday. What fractional part of the book has Kevin read so far this week?
A. 
of the book was read
B. 
of the book was read
C. 
of the book was read
D. 
of the book was read
Answer: D
Mathematics
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Subtract.138.19 - (-87.64)
A. 50.55 B. -225.83 C. -50.55 D. 225.83
Mathematics
Solve the problem.In a chemistry class, 7 liters of a 4%-saline solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 4.5 L B. 7.0 L C. 2.5 L D. 3.5 L
Mathematics
Use the discriminant to decide whether the equation represents a parabola, an ellipse, or a hyperbola.4x2 + 12xy + 9y2 - 8x + 5y = 0
A. Parabola B. Ellipse C. Hyperbola
Mathematics
Find the standard-form equation of the hyperbola whose graph is shown.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics