Perform the indicated operations. Assume that all variables represent nonnegative real numbers.3 
+ 3 
A. 18x
B. 6 
C. 3 
D. 18 
Answer: D
Mathematics
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Make the following conversion in the U.S. system.37 yd2 = 
ft2
A. 111 ft2 B. 12.3333 ft2 C. 1332 ft2 D. 333 ft2
Mathematics
Write an equation of the circle with the given center and radius.(-10, 5); 12
A. (x - 10)2 + (y + 5)2 = 144 B. (x + 5)2 + (y - 10)2 = 12 C. (x - 5)2 + (y + 10)2 = 12 D. (x + 10)2 + (y - 5)2 = 144
Mathematics
Without actually converting, choose the most reasonable answer.The weight of an average woman is about __________ .
A. 60 kg B. 6 kg C. 0.6 kg D. 600 kg
Mathematics
Find the domain and range of the function.f(x) = -10x2 - 200x - 1002
A. Domain: (-?, ?); Range: (-?, -2] B. Domain: (-?, -2]; Range: [0, ?) C. Domain: (-?, -2] ; Range: [10, ?) D. Domain: (-?, ?); Range: (-?, 10]
Mathematics