Solve the inequality. Give answer in interval notation.x4 - 65x2 + 784 < 0
A. (-7, 7)
B. (-7, -4) ? (4, 7)
C. (-?, -4) ? (4, ?)
D. (-7, -4) ? (4, 7)
Answer: D
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Solve the problem.During the 1998-1999 Little League season, the Tigers played 49 games. They won 21 more games than they lost. How many games did they lose that season?
A. 17 games B. 12 games C. 35 games D. 14 games
Solve the problem.The function M described by M(x) = 2.89x + 70.64 can be used to estimate the height, in centimeters, of a male whose humerus (the bone from the elbow to the shoulder) is x cm long. Estimate the height of a male whose humerus is 
long. Round your answer to the nearest four decimal places.
A. 157.3400 m B. 156.5375 cm C. 30.9300 cm D. 160.0277 cm
Determine whether the equation defines y as a function of x. y = 5x2 - 6x + 6
A. function B. not a function
Add the numbers using the number line.-4 + 0 
A. -40 B. 4 C. 0 D. -4