Build a variable expression for the given phrase.A number minus five hundred five
A. x - 505
B. 505 - x
C. 505x
D. x + 505
Answer: A
Mathematics
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Find the curvature of the curve r(t).r(t) = (3 + ln(sec t))i + (4 + t)k, -?/2 < t < ?/2
A. ? = sin t B. ? = 1 - cos t C. ? = -cos t D. ? = cos t
Mathematics
Give the converse of the statement, “If it rains, then the farmer will plant corn.”
What will be an ideal response?What will be an ideal response?
Mathematics
Find the real solutions of the equation.
= x + 4
A. {5} B. {9} C. {1} D. {-5}
Mathematics
Find the equation of the parabola with the given properties.Vertex: (-1, -3); vertical axis of symmetry; containing the point (-3, 17)
A. 
(y + 1) = (x + 3)2
B. 
(x + 1) = (y + 3)2
C. 
(y + 3) = (x + 1)2
D. 
(x + 3) = (y + 1)2
Mathematics