Add or subtract. Assume all variables represent positive real numbers.
- 
A. 4
- 3
B. 7
C. 3 - 4
D. 3
- 4
Answer: D
Mathematics
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What will be an ideal response?
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Find a rectangular equation for the plane curve defined by the parametric equations.x = sec t, y = tan t
A. y = x + 1 B. y2 - x2 = 1 C. x2 - y2 = 1 D. y = x - 1
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Solve the inequality.
?
?
A. 
B. 
C. 
D. 
E. 
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Solve the equation.
- 
= 4
A. {-60} B. {120} C. {60} D. {-120}
Mathematics