Use the Pythagorean identity.Find sin ?, given that cos ? = 
and 
? ? < 2?
A. - 
B. - 
C. - 
D. - 
Answer: B
Mathematics
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Use absolute value notation to describe the situation. ? The distance between x and 12 is no more than 5. ?
A. |x - 12| ? 5 B. |x - 12| > 5 C. |x- 12| ? 5 D. |x - 12| = 5 E. |x - 12| < 5
Mathematics
Solve the problem.How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 9 members? Assume that no member can hold more than one office.
A. 24 B. 126 C. 36 D. 3024
Mathematics
(2 5/12)/(3 5/8) =
a. 1/8 b. 3/4 c. 2/3 d. 6 5/8 e. 8 3/4
Mathematics
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
Mathematics