Simplify the expression.2(x - 1) - 5(3x - 2)
A. -13x + 8
B. 13x + 8
C. -13x - 3
D. -17x + 12
Answer: A
Mathematics
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Read each combination value directly from Pascal's Triangle.
A. 24 B. 12 C. 4 D. 3
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Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.-34
- 
A. - 2
B. - 1
C. 
D. - 
Mathematics
A solution has a hydroxyl ion concentration of 8.33 × 10-14. Find the hydrogen ion concentration in this solution.
A. 1.2 × 10 [H+] B. 0.012 mol/L [H+] C. 1.2 × 10-1 mol/L [H+] D. 1.2 mol/L [H+]
Mathematics
Find the reciprocal.3
A. 1
B. 3
C. 
D. 
Mathematics