Refer to the figures below to answer the following question.
Which of the figures is a gnomon to Figure A?
A. Figure D
B. Figure C
C. Figure E
D. Figure B
E. none of these
Answer: D
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Find the second derivative of the function.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Perform the indicated operation. Simplify the result if possible.2 ft 10 in. + 14 ft 6 in.
A. 17 ft 4 in. B. 16 ft 4 in. C. 17 ft 6 in. D. 16 ft 6 in.
Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbers with 
and 
.log3 m + log3 n
A. log3 (m + n)
B. log3 mn
C. log3 m ? log3 n
D. log3 
Determine the discriminant of the quadratic equation. Use the value of the discriminant to determine whether the quadratic equation has two rational solutions, two irrational solutions, one repeated real solution, or two complex solutions that are not real.9x2 - 6x = 0
A. Two complex solutions that are not real B. Two rational solutions C. Two irrational solutions D. One repeated real solution