Determine the standard equation of the ellipse described.Center at (0, 0); focus at (5, 0); vertex at (8, 0).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
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Solve the problem.When exposed to ethylene gas, green bananas will ripen at an accelerated rate. The number of days for ripening becomes shorter for longer exposure times. Assume that the table below gives average ripening times of bananas for several different ethylene exposure times. 
Plot the data and then find a line approximating the data. With the aid of this line, determine the rate of change of ripening time with respect to exposure time. Round your answer to two significant digits. 
A. 
-0.15 day per minute
B. 
-6.7 days per minute
C. 
38 minutes
D. 
5.6 days
Use a graphing calculator to solve the equation.5x2 - 11x = 12
A. - 
, -3
B. - 
, 0
C. - 
, 1
D. - 
, 3
Do the following represent equal sets?{28, 30, 32, 34, 36} = {30, 32, 34, 36}
A. Yes B. No
Write the given integers in order from least to greatest.12, -|3|, -(-5), -|-9|
A. -(-5), 12, -|3|, -|-9| B. -|-9|, -|3|, 12, -(-5) C. -|3|, -|-9|, 12, -(-5) D. -|-9|, -(-5), -|3|, 12