Determine whether the sequence is geometric.an = 
n
A. Geometric
B. Not geometric
Answer: A
Mathematics
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At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are normally distributed.Find the percent of times that are below 17 seconds.
A. 84% B. 98% C. 2.5% D. 97.7%
Mathematics
Find the exact value by using a sum or difference identity.sin(-15°)
A. 
B. 
C. 
D. 
Mathematics
Write the decimal in numbers.Three thousand and eighty-five ten-thousandths
A. 3085.0000 B. 3000.0085 C. 30,085 D. 3000.085
Mathematics
Write as an exponential expression.
A. 41/2 B. 42 C. 24 D. 21/4
Mathematics