Simplify the rational expression.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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A basketball is tossed onto the hardwood, where it bounces several times. We measure its location as distance down from the ceiling. When the ball is moving upward, what can be said about its velocity?
A. Velocity is positive. B. Velocity is negative. C. Velocity is 0. D. None of the above.
Mathematics
Solve the differential equation.
+ 9
+ 20y = 0
A. y = c1e5x + c2e-4x B. y = c1e-5x + c2e4x C. y = c1e5x + c2e4x D. y = c1e-5x + c2e-4x
Mathematics
Provide an appropriate response.Write a fraction to represent the shaded portion of a given figure.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations.(5x2 + 2x - 2) - (3x2 - 9)
A. 8x2 + 11x - 2 B. 8x2 + 2x - 11 C. 2x2 + 11x - 2 D. 2x2 + 2x + 7
Mathematics