Find all the polar coordinates of the point.(-8, ?/3)
A. (8, 4?/3 + 2n?), (-8, ?/3 + 2n?)
B. (8, 4?/3 + 2n?), (-8, 2?/3 + 2n?)
C. (8, 4?/3 + 2n?), (-8, -?/3 + 2n?)
D. (8, ?/3 + 2n?), (8, 4?/3 + 2n?)
Answer: A
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Graph the inequality on a number line. Then write the solution using interval notation.x ? -6
A. (?, -6)
B. (-6, ?)
C. (-?, -6]
D. [-6, ?)
Solve the rational equation.
= 
- 
A. -9 B. -18 C. -9, -18 D. empty set
Write as a number.Fifty-seven billion, nine hundred five thousand.
A. 57,905,000,000 B. 57,000,905 C. 57,905,000 D. 57,000,905,000
The projected number of wireless subscribers y (in millions) from the year 2000 through 2006 is summarized in the accompanying table:
Year, x0123456Subscribers, y90.4100.0110.4120.4130.8140.4150.0?
(Here, 
corresponds to the beginning of 2000.)Find an equation of the least-squares line for these data. Please round the coefficients in your equation to two decimal places. Use the result to estimate the projected number of wireless subscribers at the beginning of 2011. Round the answer to three decimal places.
?
A. 
million
B. 
million
C. 
million
D. 
million