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. 7n + 3 wind turbines
B. 3n - 7 wind turbines
C. 7n - 3 wind turbines
D. 3n + 7 wind turbines
Answer: B
Mathematics
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A. -12 B. -5 C. Not a real number D. 5
Mathematics
Provide an appropriate response.Convert 8 gallons to quarts using a conversion factor.
A. 2 quarts B. 16 quarts C. 4 quarts D. 32 quarts E. none of the above
Mathematics
Simplify using order of operations.
A. 5 B. 3 C. 6 D. 1
Mathematics
Write an equivalent expression by factoring.30a3 - 24a2b - 25ab2 + 20b3
A. (6a2 - 5b)(5a - 4b) B. (30a2 - 5b2)(a - 4b) C. (6a2 + 5b2)(5a + 4b) D. (6a2 - 5b2)(5a - 4b)
Mathematics