Simplify.
? 
A. 5
B. 
C. 
D. 
Answer: A
Mathematics
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Find a polar equation for the circle.(x - 4)2 + y2 = 16
A. r = - 8 cos ? B. r = 4 cos ? C. r = 8 cos ? D. r = 8 sin ?
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Write the numeral as a Babylonian numeral.122
A. 
B.
  ? |   |
C.
  ? |    |
D.
  ? |   |
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Solve. Use ? ? 3.14 when necessary.A flagpole 9 feet tall casts a shadow that is 12 feet long. Find the length of the shadow cast by an antenna which is 42 feet tall. Round to the nearest tenth if necessary.
A. 45 feet B. 56 feet C. 31.5 feet D. 2.6 feet
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A graph of a function of the form y = abx is given. What can you conclude about the constants a and b?
A. a < 0, b > 1 B. a > 0, b > 1 C. a > 0, 0 < b < 1 D. a < 0, 0 < b < 1
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