Solve the equation.
- 
= 
A. {7}
B. {-3, -2, 2}
C. 
D. {15}
Answer: D
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 4
B. 
; 4
C. 
; 4
D. 
; 4
Write in words, as on a check.$0.89
A. Zero and 
dollars
B. Eighty-nine and 
dollars
C. Eight and 
dollars
D. Zero and 
dollars
The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.?
During which week was the fewest number of tickets sold?
A. week 5 B. week 2 C. week 4 D. week 6
A certain small country has $20 billion in paper currency in circulation, and each day $70 million comes into the country's banks. The government decides to introduce new currency by having the banks replace old bills with new ones whenever old currency comes into the banks. Let x = x(t) denote the amount of new currency in circulation at time t with x(0) = 0. Formulate and solve a mathematical model in the form of an initial-value problem that represents the ”flow” of the new currency into circulation (in billions per day).
What will be an ideal response?