Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first five terms of the geometric sequence: 
, 
, 
, . . . .
A. 93
B. 
C. - 
D. 
Answer: B
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Solve for the specified variable.I = 
for r
A. r = 
B. r = 
C. r = 
D. r = 
- IR
Solve the problem.A small farm field is a square measuring 250 ft on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter?
A. 250 ft, 1000 ft B. 500 ft, 2000 ft C. 1000 ft, 2000 ft D. 500 ft, 1000 ft
Provide an appropriate response.A square with sides of length 20 is inscribed in a circle and circumscribed about another circle. What is the area of the larger circle?
A. 10? B. 200? C. 200 D. 100?
Set up the payoff matrix and decide on the best strategy.An investor has $22,000 to invest in stocks, either conservative blue-chip or speculative stocks. If the stock market goes up, the speculative stocks could be worth $52,000 while the blue chips would be worth $39,000. If the market goes down, the blue chips would drop to $14,000, while the speculative stocks could drop to $12,000. Where should the investor put his money?
A. 
B. 
C. 
D. 