Find the median of the random variable for the given probability density function.f(x) = 5x-6; [1, ?)
A. 1.08
B. 0.93
C. 3.35
D. 1.15
Answer: D
Mathematics
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Solve the system by the substitution method.
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 
, 
D. ?
Mathematics
Use the power rules for exponents to simplify. Write the answer in exponential form.(2x3y2)3
A. 8x6y5 B. 8x9y6 C. 2x6y5 D. 2x9y6
Mathematics
Solve the inequality and graph. Express your answer in interval notation.-3(3x - 2) < -12x - 21
A. (-9, ?)
B. [-9, ?)
C. (-?, -9]
D. (-?, -9)
Mathematics
Multiply.20 ? (-0.4) ? 3 ? (-0.08)
A. -1.92 B. -19.2 C. 1.92 D. 19.2
Mathematics