Evaluate using a number line.1 + (-9) 
A. -8
B. -10
C. 10
D. 8
Answer: A
Mathematics
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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse having a vertex at (0, -9) and eccentricity equal to 
.
A. 
- 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Mathematics
Graph the polar equation.r = 4/?, ? > 0
A. 
B. 
C. 
D. 
Mathematics
Give the coordinates of the points shown on the graph.
A. C(-4, -3), D(5, -3) B. C(-4, 5), D(6, -3) C. C(-4, 5), D(-3, 6) D. C(5, 8), D(-3, 6)
Mathematics
Write the given number in scientific notation.39,000,000
A. 3.9 × 106 B. 3.9 × 10-7 C. 3.9 × 107 D. 3.9 × 10-6
Mathematics