Answer the question(s) based on the following situation: Over the last 80 years records have been kept of the annual rainfall in the Tasmanian desert. The distribution of annual rainfall is approximately normal and has no outliers. The minimum of 2.5 inches of rain occurred in 1959; the maximum of 9.7 inches of rain occurred in 1938.What is the approximate average annual rainfall over the last 80 years?
A. 4.3 inches
B. 5.2 inches
C. 3.2 inches
D. 6.1 inches
E. none of these
Answer: D
Mathematics
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Use a calculator to evaluate the expression, or state that the value does not exist. Round the answer to four decimal places when necessary.
coth-1 
A. -0.036 B. -0.0084 C. -0.1438 D. -0.0719
Mathematics
Draw a line that has the given slope and 
m = 
, b = 2 
A. 
B. 
C. 
D. 
Mathematics
Multiply.
A. 
B. 
C. - 
D. - 
Mathematics
Evaluate the function.
?If y = f(x), find f(-2).
A. -1 B. 4 C. 1 D. -4
Mathematics