Find a rectangular equation for the plane curve defined by the parametric equations.x = t + 4, y = t2, for t in (-?, ?)
A. y = 
B. y = 
+ x + 4
C. y = x2 - 8x + 16
D. y = x2 + 16
Answer: C
Mathematics
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Add.-3.7 + (-19.2)
A. -15.5 B. -22.9 C. 15.5 D. 22.9
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Provide an appropriate response.Write using the letter i, simplifying if possible: 
A. 2ix2
B. -2ix
C. -4ix2
D. 4ix2
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Find the standard equation of the circle with the given radius r and center C.r = 
C = (9, -7)
A. (x + 7)2 + (y - 9)2 = 169 B. (x - 9)2 + (y + 7)2 = 13 C. (x + 9)2 + (y - 7)2 = 13 D. (x - 7)2 + (y + 9)2 = 169
Mathematics
Complete.673.1 mg = 
mcg
A. 6.731 B. 67,310 C. 0.6731 D. 673,100
Mathematics