Simplify the expression. Assume that all variables represent positive real numbers.
-2/3
A. 9
B. 2187
C. 
D. 81
Answer: D
Mathematics
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Write the word phrase as an algebraic expression. Use x to represent the unknown number.The sum of a number and 149
A. x + 149 B. x - 149 C. 149x D. 149
Mathematics
Solve the problem.The median household income of single mothers is shown in the bar graph, where the year 1995 corresponds to x = 5 and the year 2000 corresponds to x = 10. Use the information from the graph to write an equation to approximate the median income for 2005. Round to the nearest dollar.
A. $30,704 B. $36,764 C. $39,794 D. $38,279
Mathematics
Compute.|9|
A. 9 B. 0 C. -9 D. 18
Mathematics
The graph of a function f is given. Use the graph to answer the question.How often does the line y = 5 intersect the graph?
A. once B. twice C. three times D. does not intersect
Mathematics