Find the range for the given data.Fred, a local mechanic, gathered the following data regarding the price, in dollars, of an oil and filter change at twelve competing service stations. 
A. $8.20
B. $10.95
C. $12.05
D. $14.05
Answer: D
Mathematics
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Use the pH scale to answer the question.What is the hydrogen ion concentration of a solution with pH 2.5?
A. 3.2 x 10-3 B. 3.2 x 10-2 C. 3.2 x 10-5 D. 3.2 x 10-4
Mathematics
Perform the conversion. Round to the nearest tenth when necessary.26 km to mi
A. 41.9 mi B. 16.1 mi C. 24.6 mi D. 27.6 mi
Mathematics
Solve the given system of equations by referring to the graphs shown below.-8x + 1 + 6x = -3x + 6
A. x = -6 B. x = -1 C. x = 6 D. x = 5
Mathematics
Multiply.9x4(-7x6 - 12x4)
A. -171x10 - 171x8 B. -63x10 - 12x4 C. -171x4 D. -63x10 - 108x8
Mathematics