Factor the perfect square.x2 + 32x + 256
A. x2 + 32x + 256
B. (x - 16)2
C. (x + 16)2
D. (x + 16)(x - 16)
Answer: C
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Provide an appropriate response.A local radio antenna is 1479 feet tall. Write this whole number in expanded form.
A. 10,000 + 400 + 70 + 9 B. 1000 + 400 + 70 + 9 C. 1000 + 400 + 79 D. 10,000 + 4000 + 700 + 9
Multiply and simplify.
A. 10
B. 6
C. -6
D. -10
Solve the problem.The loudness of a sound can be quantified in units called decibels, where the number of decibels d is given by the formula 
What is the decibel rating of a sound having an intensity 
I0?
A. 30 decibels B. 1000 decibels C. 13 decibels D. 3 decibels
Solve.Suppose the sales of a particular brand of appliance satisfy the relationship 
, where S represents the number of appliances sold in year x, with x = 0 corresponding to 1982. Find the number of appliances sold in 1993.
A. 12,150 appliances B. 6150 appliances C. 6000 appliances D. 12,300 appliances