Solve the logarithmic equation.log (5 + x) - log (x - 4) = log 4
A. 7
B. ?
C. - 7
D. 
Answer: A
Mathematics
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Factor.15x2 + 32xy + 16y2
A. (3x - 4y)(5x - 4y) B. (15x + 4y)(x + 4y) C. (3x + 4y)(5x + 4y) D. (15x + y)(x + 16y)
Mathematics
Express the interval in set builder notation and graph the interval on a number line.(-?, 3)
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
Mathematics
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Mathematics
Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a sphere with radius 14 cm
A. 1436 cm3 B. 11,488.2 cm3 C. 6462.1 cm3 D. 820.6 cm3
Mathematics