Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.223, 225, 300, 291, 289, 267, 171, 166, 141
A. 60.3
B. 28.8
C. 56.8
D. 64.4
Answer: A
Mathematics
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Use the fundamental identities to simplify the expression.1 - sin2 ?
A. - cos2 ? B. cos ? C. cos2 ? D. cot2 ?
Mathematics
Provide an appropriate response.The average of a group of positive numbers is a 
number.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use the compound interest formulas A = P
nt and A = Pert to solve.Find the accumulated value of an investment of $1400 at 8% compounded quarterly for 4 years.
A. $1921.90 B. $1848.00 C. $1904.68 D. $1515.41
Mathematics
Fill in the blank with one of the words or phrases listed below.
The opposite of a number is also called its 
.
A. additive inverse B. absolute value C. negative D. positive
Mathematics