Name the property that justifies the statement. All variables represent real numbers. - 
? 9 = 9 ? 
A. Identity property of multiplication
B. Associative property of multiplication
C. Commutative property of multiplication
D. Inverse property of multiplication
Answer: C
Mathematics
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Decide whether the expression is or is not an identity.
= sin x
A. Not an identity B. Identity
Mathematics
Rewrite as a terminating decimal.
A. 0.375 B. 0.485 C. 0.475 D. 0.435
Mathematics
Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.
A. 18 B. 2x C. x2 D. -18
Mathematics
Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = ?9x + 8?
A. f(x) = x, g(x) = 9x + 8 B. f(x) = -?x?, g(x) = 9x + 8 C. f(x) = ?-x?, g(x) = 9x - 8 D. f(x) = ?x?, g(x) = 9x + 8
Mathematics