Choose the appropriate response. Perpendicular lines 
.
A. have slopes that are negative reciprocals of each other
B. have the same slope
C. have opposite slopes
D. always intersect at a 45° angle
Answer: A
Mathematics
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Provide an appropriate response.Determine whether the following statement is true or false, and explain why. All integers are rational numbers.
What will be an ideal response?
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Write as a percent.4
A. 200% B. 0.4% C. 0.04% D. 400%
Mathematics
Find the area.
A. Not enough data B. 660.5 m2 C. 610.2 m2 D. 761.0 m2
Mathematics
Find the equation of the parabola corresponding to the given information.The parabola has focus and directrix as shown.
A. y = x2
B. x = 
y2
C. x = - 
y2
D. x = - y2
Mathematics