Provide an appropriate response.A certain country is manufacturing a network of wind turbines to be completed in seven years. The total number of wind turbines in the network will be seven less than three times the number expected to be operational by the end of this year. Let n = the number of wind turbines in the network by the end of this year. Express the number of wind turbines in the completed network in terms of n.
A. 3n + 7 wind turbines
B. 7n + 3 wind turbines
C. 7n - 3 wind turbines
D. 3n - 7 wind turbines
Answer: D
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log4
A. log411 + 
log4x
B. log4
+ log4
C. 
log411x
D. 
log411 + 
log4x
Solve the problem.Steve's younger sister is 2694 days old. Estimate the age of Steve's sister in months. [Hint: First round 2694 to the nearest hundred. Then finish the calculation.]
A. 90 months B. 385 months C. 81,000 months D. 9 months
Find the area.
A. 192 cm2 B. 175 cm2 C. 300 cm2 D. 49 cm2
Solve the problem.There were 28,000 people at a ball game in Los Angeles. The day's receipts were $198,000. How many people paid $12.00 for reserved seats and how many paid $6.00 for general admission?
A. 23,000 paid $12 and 5000 paid $6 B. 7500 paid $12 and 20,500 paid $6 C. 20,500 paid $12 and 7500 paid $6 D. 5000 paid $12 and 23,000 paid $6