Find the product.0.1x4y4(2.3x4y - 4.2x2y2 + 1.8xy3)
A. 0.23x8y5 - 0.42x6y6 - 0.18x5y7
B. 0.23x8y5 - 0.42x6y6 + 0.18x5y7
C. 0.23x8y5 + 0.42x6y6 - 0.18x5y7
D. 0.23x8y5 + 0.42x6y6 + 0.18x5y7
Answer: B
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Use the method of writing each premise in symbols in order to write a conclusion that yields a valid argument.Smiling people are happy. Alert people are not happy. Careful drivers are alert. Careless drivers have accidents.
A. Careful drivers have accidents. B. Careful drivers are happy. C. People who smile are alert. D. People who smile have accidents.
For the given rectangular equation, give its equivalent polar equation.10x - y = 3
A. r = 
B. r = 
C. r = 
D. r = 
Perform the indicated operation. Write the sum as a fraction, whole number, or mixed number in lowest terms.
+ 
A. 
B. 
C. 
D. 
Solve.If y varies directly as x and y = 15 when x = 3, what is the value of y when 
A. 9 B. 35 C. 25 D. 49