Use a calculator to convert from polar to rectangular coordinates. Round to the nearest hundredth.(-3.9, 32°)
A. (3.31, 2.07)
B. (-2.07, -3.31)
C. (-0.85, -0.53)
D. (-3.31, -2.07)
Answer: D
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Construct a boxplot as requested.The weights (in pounds) of 30 newborn babies are listed below. Construct a boxplot for the data set.
A. 
B. 
C. 
D. 
Find the specified minor and cofactor for the matrix A.M11 and A11 if A = 
A. M11 = 24 and A11 = 24 B. M11 = 24 and A11 = - 24 C. M11 = 23 and A11 = 23 D. M11 = -23 and A11 = -23
Solve the problem.The table shows the population of a city for five years.
This data was used to develop the quadratic equation 
, which models the population of the city y in millions in the year x, where x = 0 represents 2007, x = 1 represents 2008, and so on. Use the model to find the estimated population in the year 2009.
A. 66,822,000 B. 1,490,000,000,000 C. 65,538,000 D. 1,490,000
Write an equation for the piecewise function.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 