Factor the difference of two squares completely.(x + 3)2 - 16
A. (x + 7)(x - 1)
B. (x + 19)(x - 13)
C. x2 + 6x - 7
D. (x + 1)(x - 7)
Answer: A
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Determine whether the number is abundant or deficient.33
A. Abundant B. Deficient
Solve the problem.Sun Woo Kim invested $2500 at 4% compounded semiannually. How much will be in the account after 8 years? Round to the nearest cent.
A. $3431.96 B. $4682.45 C. $3421.42 D. $2929.15
Provide an appropriate response.On the decibel scale, the loudness of a sound, in decibels, is given by D = 10 log
, where I is the intensity of the sound, in watts per meter2, and I0 is the intensity of a sound barely audible to the human ear. If the intensity of a sound is 106I0, what is its loudness in decibels?
A. 3 decibels B. 60 decibels C. 6 decibels D. 10 decibels
Provide an appropriate response.Explain the difference between saying "2.3 from 5.9" and saying "2.3 less 5.9."
What will be an ideal response?