A large number of female llama were studied. It was found that this species of llama has a mean gestation period of 350 days with a standard deviation of 11 days. (Gestation period is defined as the time from conception to birth.) Use this to information to solve the problem.
What percent of llamas have gestation periods between more than 339 days?
A. 16%
B. 97.5%
C. 34%
D. 84%
Answer: D
Mathematics
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Use least common multiple or greatest common divisor to solve the problem.George has 54 donuts and 66 bagels. He wants to divide his bagels and donuts into stacks so that there are the same number of pastries in each stack. What is the greatest number of pastries that he can place in each stack?
A. 9 B. 7 C. 8 D. 6
Mathematics
Simplify the expression, if possible.log17 
A. - 
B. 
C. 2
D. - 2
Mathematics
Factor completely. Make sure you factor out the GCF or the negative of the GCF if possible. If prime, so state.14x2 + 63x - 35
A. (14x - 7)(x + 5) B. 7(2x + 1)(x - 5) C. prime D. 7(2x - 1)(x + 5)
Mathematics
Find the direction cosines of the vector u given below.
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?
A. 
,
,
B. 
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,
C. 
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,
D. 
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,
E. 
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,
Mathematics