Solve the problem.A solar reflector is made using 29 identical triangular-shaped mirrors, each having sides of 
and 
. What is the total surface area of the reflector to the nearest square meter?
A. 30 m2
B. 36 m2
C. 45 m2
D. 31 m2
Answer: B
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Find all real numbers that satisfy the equation. Round approximate answers to the nearest hundredth.2 cos(3x) = 
A. 
B. 
C. {x|x = 0.17 + k? or x = 1.92 + k?}
D. {x|x = 0.26 + 2k? or x = 1.83 + 2k?}
Solve the problem.In a certain fraction, the numerator is 2 less than the denominator. If 4 is added to both the numerator and the denominator, the resulting fraction is equal to 
. Find the original fraction.
A. 
B. 
C. 
D. 
Write a word name for the number in the sentence.Scientists were predicting the demise of the space colony as the population approached 600,040,000.
A. Six hundred billion, forty million B. Six hundred million, forty thousand C. Six hundred million, forty hundred D. Six hundred forty million
Simplify.0.764 + 9.13 ÷ 0.02
A. 46.414 B. 457.264 C. 494.7 D. 464.14