The number line in the following graphic represents fictional net exports in billions of dollars for five countries. Net exports are obtained by subtracting total imports from total exports; a negative net export means the country imported more goods than it exported.
Estimate the net amount of exports for Denmark.
A. -20 billion dollars
B. 30 billion dollars
C. -40 billion dollars
D. -30 billion dollars
Answer: D
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Write the decimal in numbers.Eight and seventeen hundredths
A. 8.017 B. 817 C. 8.0017 D. 8.17
A rectangular box is to have a square base and a volume of 4 ft.3. If the material for the base costs 20 cent/square foot, the material for the sides costs 30 cent/square foot, and the material for the top costs 10 cent/square foot, determine the dimensions of the box that can be constructed at minimum cost.
?
?
A. 
B. ?
C. ?
D. ?
Solve the problem.The amount of particulate matter left in solution during a filtering process decreases by the equation 
where n is the number of filtering steps. Find the amounts left for n = 0 and 
(Round to the nearest whole number.)
A. 700; 22 B. 700; 11,200 C. 1400; 44 D. 700; 44
Simplify.7
+ 2
- 4
A. 7
B. -13
C. 17
D. 13