Evaluate the expression without using a calculator.-54
A. -625
B. 625
C. -20
D. 20
Answer: A
Mathematics
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Provide an appropriate response.What is the relationship between the slopes of two parallel lines?
A. One slope is the negative of the other. B. One slope is the reciprocal of the other. C. There is no general relationship, because the y-intercepts can be different. D. They are equal.
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Rationalize numerator.
A. 
B. 1
C. 
D. 
Mathematics
Evaluate the expression without using a calculator, and write your answer in radians.
?
What will be an ideal response?
Mathematics
Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 11, ? = 0°
A. v = 11i + 11j B. v = 11i C. v = 11j D. v = -11j
Mathematics