Write the decimal in words.A planet orbits the sun every 47.8 years.
A. forty-seven and eight thousandths
B. forty-seven and eight hundredths
C. forty-seven and eight tenths
D. forty-seven and eight millionths
Answer: C
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Find y '.y = 
A. - 
- 2
B. - 
- 2
C. 
+ 2
D. 
+ 2
Find the vertex of the parabola and determine if it is a maximum or minimum. f(x) = x2 - 14x + 50
A. (7, 1); minimum B. (7, 1); maximum C. (1, 7); maximum D. (1, 7); minimum
Determine whether the following number is prime or composite. If composite, write the prime factorization.385
A. composite, 35 ? 11 B. composite, 5 ? 7 ? 11 C. composite, 7 ? 7 ? 5 D. composite, 5 ? 5 ? 11
Find the center, foci, and vertices of the ellipse.16(x + 2)2 + 9(y - 1)2 = 144
A. center at (1, -2)
foci at (1, -2 - 
), (1, -2 + 
)
vertices at (1, 5), (1, -3)
B. center at (-1, 1)
foci at (-1, 1 - 
), (-1, 1 + 
)
vertices at (-1, 5), (-1, -3)
C. center at (2, 1)
foci at (2, 1 - 
), (2, 1 + 
)
vertices at (2, 5), (2, -3)
D. center at (-2, 1)
foci at (-2, 1 - 
), (-2, 1 + 
)
vertices at (-2, 5), (-2, -3)