Solve.
? 7
A. 
, or 
B. 
? 
, or 
C. 
, or 
D. 
, 
? 
, or 
Answer: C
Mathematics
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? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.Given that sin ? = - 
and cos ? = 
, find the value of cot ?.
A. 
B. 
C. 
D. 
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Solve the equation.|x| = 4
A. {4} B. {16} C. {-4, 4} D. {-4}
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Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $534 B. $828 C. $338 D. $632
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Factor completely. If the polynomial is prime, state this.36x2 + 21xy + 3y2
A. (3x + y)(3x + 3y) B. (9x + 3y)(4x + y) C. 3(3x - y)(4x - y) D. 3(3x + y)(4x + y)
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