Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.9x2 + y2 = 9
A. y-axis
B. origin
C. x-axis
D. x-axis, y-axis, origin
E. none
Answer: D
Mathematics
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Evaluate the integral.
A. 6?2
B. 
?2
C. 4?2
D. 9?2
Mathematics
Work the application.During the last four months of a recent year, Annie's Natural Food Store reported the following sales.September$2204October$2014November$2280December$4177How much more were the sales in December than the sales in November?
A. $6357 B. $1897 C. $6457 D. $1797
Mathematics
Find the standard form of the equation of the sphere with the given characteristics.
?
Center: 
; diameter: 14
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Use the graph to find the average rate of change.
Number of Years of Use
A. $6000.00 per yr B. -$7000.00 per yr C. $7000.00 per yr D. -$6000.00 per yr
Mathematics