Translate the statement into an equation. Let x represent the unknown number. DO NOT SOLVE.The sum of fifteen and four times a number is the same as the difference of three times the number and seven.
A. (15 + 4)x = 3(x - 7)
B. 15 + 4x = 3(x - 7)
C. 15 + 4x = 3x - 7
D. (15 + 4)x = 3x - 7
Answer: C
Mathematics
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Solve.Find the Maclaurin series for 
A. 6x - 36x3 + 
x5 - . . .
B. 1 + 18x2 + 54x4 + . . .
C. 1 - 18x2 + 54x4 - . . .
D. 6x + 36x3 + 
x5 + . . .
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Solve the equation for the unknown variable.log10x = 1
A. x = 1
B. x = 10
C. x = 0
D. x = 
Mathematics
Find the sum of the infinite geometric series, if it exists.-6 - 2 - 
- 
- . . .
A. - 9
B. - 
C. 3
D. does not exist
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Solve.The polynomial 
models natural gas consumption in billions of cubic feet for a certain country during year x, where 
corresponds to 1990, 
to 1991, and so on. Approximately how much gas will be consumed in 2025?
A. 273.1 billion ft3 B. 124.1 billion ft3 C. 347.1 billion ft3 D. 50.1 billion ft3
Mathematics