Find the radius or diameter as requested.Find the radius.
A. 3566.07 mi
B. 105.818 mi
C. 33.7 mi
D. 16.85 mi
Answer: C
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Use the limit comparison test to determine if the series converges or diverges.
A. Converges B. Diverges
Find the quadratic approximation of f at x = 0.f(x) = sin ln(6x + 1)
A. Q(x) = 1 + 6x + 18x2 B. Q(x) = 1 - 6x + 18x2 C. Q(x) = 6x + 18x2 D. Q(x) = 6x - 18x2
Solve the inequality. Express your answer using interval notation. Graph the solution set.|x + 7| + 6 ? 8
A. [-5, ?)
B. [-9, -5]
C. (-9, -5)
D. (-?, -9] ? [-5, ?)
A solution is an acid if its pH is less than 7 and a base if its pH is greater than 7. The pH is defined by 
where [H+] is the concentration of hydrogen ions in the solution. Use this information to answer the question.A mixture has a pH of 5.1. Find the concentration of hydrogen ions [H+] in the mixture. Is the mixture an acid or a base?
A. 105.1, acid B. 10-5.1, acid C. 10-5.1, base D. 105.1, base