The pH of a solution is 1.3. What is the pOH of the solution?
A. 1.3
B. 12.7
C. 0.11
D. 13.3
Answer: B
Mathematics
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Solve using the addition principle.12 = -17 + x
A. 29 B. -5 C. 5 D. -29
Mathematics
Find the perimeter.
A. (2x2 + 7x + 16) units B. (2x2 + 5x + 17) units C. (2x2 + 7x + 17) units D. (x2 + 5x + 17) units
Mathematics
Use the figure to answer the question.This double-bar graph shows the number of male (M) and female (F) athletes at a university over a 
period.
2009201020112012YearWhich year had the smallest number of male athletes?
A. 2011 B. 2012 C. 2010 D. 2009
Mathematics
Find the dimension of the matrix.
A. 2 × 3 B. -7, 5, 5, -5, 1, -8 C. 6 D. 3 × 2
Mathematics