Use the regression capabilities of a graphing utility or a spreadsheet to find the least squares regression line for the given points.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Solve for x.log4 (x - 2) - log4 (x - 4) = 2
A. - 
B. 
C. 
D. No solution
Mathematics
Simplify the radical.
A. 2
B. 8
C. 2
D. 4
Mathematics
Approximately 3.02 million people live in Costa Rica. 2.6 million are less than 50 years old, and 2 million are older than 14. How many people are in each of the categories 0-14 years, 15-49 years, and 50 years and older? Give your answer rounded to two decimal places if necessary. ? 0 to 14 years old: __________ million ? 15 to 49 years old: __________ million ? 50 years old and older: __________ million
What will be an ideal response?
Mathematics
The rectangular coordinates of a point are given. Express the point in polar coordinates with 
and 
A. 
B. 
C. 
D. 
Mathematics