Express the value of the given repeating decimal as a fraction. [Hint: Write as an infinite series.]
?
??
A. ?
B. ?
C. ?
D. 
?
E. ?
Answer: D
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Write a positive or negative fraction to describe the situation.Roger cut the plywood board 
in. too short to fit the opening.
A. - 1
B. - 
C. 
D. 
Solve the problem.11 + 14 + 17 + . . . + 761 =
A. 
B. 
C. 
D. 
E. none of these
Identify the place value of the digit 5 in the decimal number. 3506.98
A. thousands B. hundredths C. thousandths D. hundreds
Solve the problem.Economists use what is called a Leffer curve to predict the government revenue for tax rates from 0% to 100%. Economists agree that the end points of the curve generate 0 revenue, but disagree on the tax rate that produces the maximum revenue. Suppose an economist produces this rational function 
where R is revenue in millions at a tax rate of x percent. Use a graphing calculator to graph the function. What tax rate produces the maximum revenue? What is the maximum revenue?
A. 28.8%; $272 million B. 38.4%; $383 million C. 27.0%; $379 million D. 30.9%; $382 million