For trapezoid HJKL, 
. It follows that:
A. 
and 
are the legs of HJKL.
B. 
and 
are the legs of HJKL.
C. and 
are the bases of HJKL.
D. None of These
Answer: A
Mathematics
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Write a chain rule formula for the following derivative.
for u = f(x); x = g(p, q, r)
A. 
= 
B. 
= 
+ 
+ 
C. 
= 
D. 
= 
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Solve by using the multiplication principle to clear fractions.
= 
y - 
A. 
B. 
C. 
D. 
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Solve by completing the square.p2 + 5p - 5 = 0
A. 
B. -5 ± 3
C. 
D. 
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Solve the problem.Find the area of the work space for a robotic arm that can rotate between -30° and 45° and can change its length from 6 inches to 21 inches. Round to one decimal place.
A. 47,712.9 in.2 B. 530.1 in.2 C. 265.1 in.2 D. 9.8 in.2
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