Perform the indicated operation and simplify.
+ 
A. 1
B. 
C. 
D. 
Answer: D
Mathematics
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Provide an appropriate response.The gross profit percentage of a company is defined as 
. Is it correct to say that a company has 0% gross profit before it makes its first sale?
A. Yes B. No
Mathematics
Find an equivalent expression by factoring.8x + 8y
A. (8 + 8)(x + y) = 16(x + y) B. 16xy C. 16x D. 8(x + y)
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Find only the rational zeros.f(x) = x4 - 10x3 + 6x2 + 30x - 27
A. 9, -1 B. 9, 1 C. -9, 1 D. No rational zeros
Mathematics
Solve the equation.25k2 - 49 = 0
A. 7, 0
B. 
, - 
C. 
, 0
D. 
, - 
Mathematics