Provide an appropriate response.Which, if any, of the following statements are true?A: If a number is divisible by 9, it must be divisible by 3. B: If a number is divisible by 3, it must be divisible by 9.
A. A false, B true
B. A true, B false
C. A false, B false
D. A true, B true
Answer: B
Mathematics
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Find the exact function value.cos-1
A. 
B. 
C. 
D. 
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Multiply and reduce answers to lowest terms. Write improper fractions as whole or mixed numbers.
? 
A. 
B. 
C. 54
D. 
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Find the value of r and determine if a correlation exists at the indicated level of significance.
?? = 0.01
A. r = 0.9710; Correlation exists. B. r = 0.9710; Correlation does not exist. C. r = 0.9971; Correlation exists. D. r = 0.9997; Correlation exists.
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Evaluate the expression.- 
A. - 
B. -18
C. 18
D. 
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