Determine whether the two pairs of numbers are proportional.12.56, 3.14 and 3.14, 0.785
A. Yes
B. No
Answer: A
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 5x3, below by x-axis, and on the right by the line x = 1, about the line y = - 1
A. 
?
B. 
?
C. 
?
D. 
?
Calculate the derivative of the function. Then find the value of the derivative as specified.
t = 4 if s = t2 - t
A. 
= 2 - t; 
t = 4
= -2
B. 
= 2t - 1; 
t = 4
= 7
C. 
= 2t + 1; 
t = 4
= 9
D. 
= t - 1; 
t = 4
= 3
A golden rectangle is said to be one of the most visually appealing of all geometric forms. The front of the Parthenon, built in Athens in the 5th century B.C. and shown in the illustration, is a golden rectangle. In a golden rectangle, the length l and the height h of the rectangle must satisfy the equation
?
.
?
If a rectangular billboard is to have a height of 13 feet, how long should it be if it is to form a golden rectangle? Round to the nearest tenth of a foot.
?
?
A. 23 ft
B. 21 ft
C. 21.2 ft
D. 22 ft
E. 20.7 ft
Solve by factoring and using the principle of zero products.6b2 + 23b + 8 = -12
A. 
, 
B. 
, 
C. - 
, - 
D. - 
, - 