Determine what percent of the figure is shaded.
A. 150%
B. 40%
C. 20%
D. 66
%
Answer: B
Mathematics
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Factor out the greatest common factor. Be sure that the coefficient of the term of highest degree is positive.24x4 + 21x2
A. 3x2(8x2 + 7) B. 3x(8x3 + 7) C. x2(24x2 + 21) D. 3x2(8x + 7)
Mathematics
Solve the equation. Round your answer to four decimal places.3 ? 4 x = 7 x
A. x = -5.3608 B. x = 5.3608 C. x = 0.5646 D. x = 1.9632
Mathematics
Perform the indicated operation. Write the answer in scientific notation.(5.26 × 10-4)(5.35 × 10-2)
A. 2.81 × 108 B. 2.8 × 10-5 C. 2.81 × 10-5 D. 2.8 × 108
Mathematics
Find the reciprocal, if it exists.0
A. 
B. 0
C. No reciprocal
D. 1
Mathematics