Multiply.(x + 1)(x - 1)(5x - 5)
A. 5x3 - 5x2 - 5x + 5
B. 5x3 + 5x2 - 5x - 5
C. 5x3 - 15x2 + 15x - 5
D. 5x3 - 5x2 + 5x - 5
Answer: A
Mathematics
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Convert the Hindu-Arabic numeral to Egyptian form.32,466
A. 
B. 
C. 
D. 
Mathematics
Evaluate. 94
A. 729 B. 262,144 C. 6561 D. 36
Mathematics
The loudness of a sound of intensity x, measured in watts per square meter, is defined as L(x) = log (
), where xo = 10-3.At a recent Phish rock concert, sound intensity reached a level of 0.50 watt per square meter. To the nearest whole number, calculate the loudness of this sound in decibels.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Evaluate.
Mathematics