Find the mean.Following is a list of heights of plants in the test group for a research project. Find the mean of the heights. Round to the nearest whole number when necessary. 3 cm
6 cm
9 cm
5 cm
11 cm
7 cm
A. 5 cm
B. 7 cm
C. 9 cm
D. 6 cm
Answer: B
Mathematics
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Convert the angle to a decimal in degrees. Round the answer to two decimal places.21°17'34''
A. 21.22° B. 21.29° C. 21.34° D. 21.37°
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Determine if the given regular figures form a vertex figure.Two triangles, square, 18-gon
A. Yes B. No
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Find the present value of the loan on the day it was made. Round to the nearest cent.Principal: $1933.03Rate (ordinary): 9.2%Length of loan: 280 daysValue of money: 13.4%
A. $1927.97 B. $1871.64 C. $1875.12 D. $1875.84
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Draw a complete graph so that it has the given type of symmetry.Symmetric with respect to the y-axis
A. 
B. 
C. 
D. 
Mathematics