Simplify. Assume that variables can represent any value.
A. ?z? + 6
B. -z - 6
C. z + 6
D. ?z + 6?
Answer: D
Mathematics
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Solve the rational inequality.
< 7
A. 
B. 
? 
C. No solution
D. 
? 
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Name the property illustrated by the statement.(x + 9) + 4 = x + (9 + 4)
A. Identity Property of Addition B. Distributive Property C. Associative Property of Addition D. Commutative Property of Addition
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Solve for the missing value. Round to four decimal places.n = 30; i = 0.03; PMT = $100; PV = ?
A. $2000.0441 B. $4706.6287 C. $1918.1585 D. $1960.0441
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Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.sec ? = 
Find cot ?.
A. 
B. 
C. 
D. 
Mathematics