Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (0, ±7) and foci (0, ±3)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
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Write the Egyptian numeral as a Hindu-Arabic numeral.
A. 3670 B. 3067 C. 367 D. 3607
Identify the conic that the polar equation represents. Also, give the position of the directrix.r = 
A. hyperbola, directrix perpendicular to the polar axis 3 right of the pole B. ellipse, directrix perpendicular to the polar axis 3 left of the pole C. hyperbola, directrix perpendicular to the polar axis 3 left of the pole D. ellipse, directrix perpendicular to the polar axis 3 right of the pole
Evaluate the expression for the given replacement values.x ÷ y; x = 
, y = 1
A. 
B. 
C. 
D. 4
Solve.Attendance at a baseball game was reported to be 12,282. Round this number to the nearest thousand.
A. 13,000 B. 12,300 C. 12,000 D. 12,282.0000