Write the rational expression in simplest form.
?

?

A.
B. ?
C. ?
D. ?
E. ?


Answer: D

Mathematics

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Find the vertices and foci of the ellipse. +  = 1

A. Vertices: (0, ±15); Foci: (0, ±9) B. Vertices: (±15, 0); Foci: ( ±9, 0) C. Vertices: (0, ±15); Foci: (0, ±12) D. Vertices: (±9, 0); Foci: ( ±12, 0)

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A car accelerates in a westerly direction from a yield sign to a constant speed on the freeway.  It then exits the freeway and parks. Measure the location of the car as its distance west of the yield sign. Make a graph of velocity.  Be sure to label you graph appropriately. ? ? ? ? .

What will be an ideal response?

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Determine if the series converges or diverges. If the series converges, find its sum.

A. converges; 
B. converges; 
C. converges; 
D. converges; 

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Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement.(p ? ~q) ? r

A. True B. False

Mathematics