Determine the standard equation of the ellipse described.Center at (0, 0); focus at (-7, 0); vertex at (8, 0).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Solve.A $2900 sofa is on sale at 30% off. How much will the necklace cost?
A. $87.00 B. $2813.00 C. $2030.00 D. $870.00
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Use the shape of the graph to name the function.
A. Constant function B. Identity function C. Standard cubic function D. Absolute value function
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Find the probability.Each digit from the number 5,979,669 is written on a different card. If one of these cards is selected at random, what is the probability of drawing a card that shows 5 or 6?
A. 
B. 
C. 
D. 
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Find the slope and y-intercept of the line.9x + y = -3
A. slope = -9; y-intercept = -3
B. slope = 9; y-intercept = -3
C. slope = - 
; y-intercept = - 
D. slope = - 3; y-intercept = - 
Mathematics