Refer to the figure in which 
? 
and 
? 
If AD = 10 cm and BD = 3 cm, find CD.
?30 cm
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Solve the problem.The price p (in dollars) and the quantity x sold of a certain product obey the demand equation p = -20x + 560, 0 ? x ? 28.What price should the company charge to maximize revenue?
A. $21 B. $14 C. $7 D. $16.8
Find the vertices and foci of the ellipse.64x2 + 25y2 = 1600
A. Vertices: (0, ±5); Foci: (0, ±
)
B. Vertices: (±8, 0); Foci: (±
, 0)
C. Vertices: (±5, 0); Foci: (±
, 0)
D. Vertices: (0, ±8); Foci: (0, ±
)
Evaluate p(k) by dividing p(x) by x - k and determining the remainder.p(x) = 7x3 - 27x2 + 3x - 28, k = 4
A. 29 B. 0 C. 28 D. 27
Solve.Using the formula to find Fahrenheit (F) in terms of Celsius (C), F = 
C + 32, find the range (to the nearest tenth) of the Fahrenheit temperature when the range of the Celsius temperature is between 5°C and 8°C, inclusive.
A. Between 34.8°F and 32.8°F, inclusive B. Between 25°F and 30.4°F, inclusive C. Between 9°F and 14.4°F, inclusive D. Between 41°F and 46.4°F, inclusive