Solve the problem.A company is introducing a new soft drink and is planning to have 48 advertisements distributed among TV ads, radio ads, and newspaper ads. If the cost of TV ads is 
each, the cost of radio ads is 
each, and the cost of newspaper ads is 
each, how can the ads be distributed among the three types if the company has 
/> to spend for advertising? (Let x denote the number of TV ads, y the number of radio ads, and z the number of newspaper ads. Let z be the parameter.)
A. x = 14, y = z - 34, 0 ? z ? 34
B. x = 14, y = 34 - z, 0 ? z ? 34
C. x = 34 - z, y = 14, 0 ? z ? 34
D. x = z - 34, y = 14, 0 ? z ? 34
Answer: B
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A. (2, 3) B. (3, 2) C. (3, 6) D. Inconsistent
Solve.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the coordinate axes, the curve y = e-3x, and the line x = 8 about the y-axis.
A. 
?(1 - 23 e-24)
B. 
?(1 - 25 e-24)
C. - 
?(1 + 25 e-24)
D. 
?(1 - 24 e-24)
Multiply. Simplify the answer completely.
? 
? 
A. 
B. 
C. 
D. 
Write the decimal as a percent.9.00
A. 900% B. 90% C. 0.9% D. 0.09%