Graph the ellipse described.Foci at (0, ±
) Vertices at (0, ±8)
A. 
B. 
C. 
D. 
Answer: A
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Simplify.
? 
A. 
B. 
C. 
D. 
A student can afford to spend up to $2,318. The computer costs $1,549 and the CD-ROM costs $19. If she buys the computer, how many CD-ROMs can she buy?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Suppose that the speed of a car, measured in miles per hour (mph), is monitored for some short period of time after the driver applies the brakes. The following table relates the speed of the car to the amount of time, measured in seconds (sec), elapsed from the moment that the brakes are applied. Make a scatter diagram of the data. What is happening to the speed of the car during this time frame?
A. The speed of the car
increased as time elapsed.
B. The speed of the car
decreased as time elapsed.
C. The speed of the car
increased as time elapsed.
D. The speed of the car
decreased as time elapsed.
Write an equivalent expression with negative exponents.
A. 
B. 
C. 3-5
D. (-3)-5