Solve the problem.Given cos 30° = 
, use trigonometric identities to find the exact value of csc 
.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.The digits 1, 2, 3, 4, 5, and 7 are randomly arranged to form a six-digit number. Find the probability that the first and last digits are both even.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation and write the answer in lowest terms. 
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Factor out the greatest common factor.3x3 + 12x
A. 3x2(x + 4) B. 3x(x2 + 9x) C. 3x(x2 + 4x) D. 3x(x2 + 4)
Mathematics
Rewrite the expression without absolute value bars.|13|
A. 0 B. 26 C. 13 D. -13
Mathematics