Determine whether the product will be positive, negative, zero, or whether there is not enough information to say.The product of two non-negative numbers.
A. zero
B. positive
C. negative
D. not enough information
Answer: D
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Solve the problem.The polar equation of the path of a moon of a planet is 
, where r is measured in miles. Find the rectangular equation of the path of this moon. The path is an ellipse, with the planet at one of the foci.
A. 
3 = 
2
B. x2 + y2 = 
2
C. 
2 = 
3
D. x2 + y2 = (3800 - 0.21x)2
Which method should be used to solve the system? Explain your answer, including a description of the first step.x2 + y2 =818x - 5y =6
What will be an ideal response?
Solve. Provide answers in interval notation.
< 6
A. 
B. 
? (3, ?)
C. ?
D. (-?, -3) ? 
Determine the rectangular equation of the curve whose parametric equations are given.x = t3 + 1, y = t3 - 15; -2 ? t ? 2
A. y = x - 16; -7 ? x ? 9 B. y = -x2; -4 ? x ? 4 C. y = -x - 16; -7 ? x ? 9 D. y = x3; -3 ? x ? 1