Solve the problem. When appropriate, round the solution to the nearest tenth. As needed, use the formula 
Find the pH if [H3O+] is8.7 × 10-5.
A. 4.1
B. 4.5
C. -5.9
D. 5.9
Answer: A
Mathematics
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Find the length of the curve.x = t3, y = 2t2, 0 ? t ? 1
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Solve: x2 - 3x = 0
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.If a person puts 1 cent in a piggy bank on the first day, 2 cents on the second day, 3 cents on the third day, and so on, how much money will be in the bank after 60 days?
A. $36.60 B. $18.30 C. $0.60 D. $9.15
Mathematics
Find the median of the list of data.32, 16, 223, 151, 254, 249, 231
A. 151 B. 231 C. 223 D. 165
Mathematics