Write an equivalent expression using a commutative law.3x
A. 
B. -3
C. x3
D. 3 + x
Answer: C
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Use the given information to find the exact value of the trigonometric function.sin ? = - 
, ? lies in quadrant IV
Find cos 
.
A. 
B. 
C. - 
D. - 
Solve the problem.A 5-card hand is dealt from a deck of 52 cards. What is the probability thata) none are queens?b) all are queens?
A. a) 0 b) 0.07487 B. a) 0.65884 b) 0 C. a) 0 b) 0.65884 D. a) 0.07487 b) 0
Find the product.n2
A. 30n4 - 
n3 - 
n2
B. 30n4 + 
n3 - 
n2
C. 30n4 - 
n3 - 
n2
D. 30n4 - 
n3 + 
n2
Solve.If f(x) = ?x? (solid line)and g(x) = 6 (dashed line), find when f(x) = g(x) and when f(x) > g(x). 
A. f(x) = g(x) when x = 6 and x = -6 f(x) > g(x) when x > -6 and x < 6 B. f(x) = g(x) when x = -6 f(x) > g(x) when x > 6 C. f(x) = g(x) when x = 6 f(x) > g(x) when x < -6 D. f(x) = g(x) when x = 6 and x = -6 f(x) > g(x) when x < -6 or x > 6