?Which of the following is not true?
A. ?Two lines are congruent if they have the same length.
B. ?Two triangles are congruent if their corresponding sides and corresponding angles are congruent.
C. ?Two polygons are congruent if their corresponding sides and corresponding angles are congruent.
D. ?Two triangles are congruent if there is a constant of proportionality between corresponding sides.
E. ?None of the above.
Answer: D
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Simplify the expression. Write the result using positive exponents only.
A. x69
B. x57
C. 
D. x20
Provide an appropriate response.Let sk denote the kth partial sum of the alternating harmonic series. Compute s16, s17, and 
. Which of these is closest to the exact sum 
of the alternating harmonic series?
A. s17
B. 
C. s16
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576
Simplify the expression by using the order of operations.8 ? 
? 
÷ 4 + 6 - 3 + 1
A. 47 B. 44 C. 43 D. 48