Rewrite the expression using the indicated property of real numbers.Commutative property of multiplication:
(9 + 5) ? 3
A. 9 + (5 ? 3)
B. 9 ? 3 + 5 ? 3
C. (5 + 9) ? 3
D. 3(9 + 5)
Answer: D
Mathematics
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directrix: x = –1 vertex: (7, –1) A) (x + 7)2 = 32(y – 1) B) (x – 7)2 = 32(y + 1) C) (x – 1)2 = 32(y + 7) D) (y – 1)2 = 32(x + 7) E) (y + 1)2 = 32(x – 7)
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Provide an appropriate response.The formula for calculating the sum-of-the-years-digits is 
.
A. True B. False
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Find 
if 
and ? terminates in QII.
?
A. ?
B. 
C. ?
D. 
E. 
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Multiply.(x + 15)2
A. x2 + 225 B. x + 225 C. x2 + 30x + 225 D. 225x2 + 30x + 225
Mathematics