Simplify by using the order of operations. Round your answer to the nearest hundredth, if necessary.10 ÷ 0.1 - 7 × 0.062
A. 31.14
B. 99.82
C. 99.97
D. 0.33
Answer: C
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For the given question, determine whether an Euler circuit, a Hamilton circuit, or neither would solve the problem.The vertices of a graph represent displays at a natural science museum and the edges represent hallways and walkways connecting the displays. A visitor wants to visit each display exactly once, returning to her starting point when she is done.
A. Euler B. Neither C. Hamilton
The following double-bar graph illustrates the revenue for a company for the four quarters of the year for two different years. Use the graph to answer the question. 
How much less revenue was generated from 2009 to 2010 in the first half of the year 
quarters)?
A. $10,000,000 B. $5,000,000 C. $1,000,000 D. $15,000,000
Use the pH scale to solve the problem. Negative ions, designated by the notation [OH-] are always present in any acid or base. The concentration, [OH-], of these ions is related to [H+] by the equation [OH-] ? [H+] = 10-14 moles per liter. Find the concentrations of [OH-] and [H+] in moles per liter for the substance with the following pH value. Round to two decimal places. pH = 7.3
A. [H+] = 5.01 × 10-8 [OH-] = 2.00 × 10-7 B. [H+] = 2.00 × 10-8 [OH-] = 5.01 × 10-8 C. [H+] = 5.01 × 10-6 [OH-] = 2.00 × 10-8 D. [H+] = 2.00 × 10-7 [OH-] = 5.01 × 10-8
Find the slope of the line.
A. -2
B. 2
C. - 
D. 