Solve the formula for the indicated variable.PV = nRT
for n
A. n = 
B. n = 
C. n = 
D. n = 
Answer: D
Mathematics
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Use l'Hopital's Rule to evaluate the limit.
A. 1
B. 
C. ?
D. 0
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Find the angle between u and v in radians.u = -7i + 7j - 4k, v = 8i + 4j - 4k
A. -0.11 B. 1.57 C. 1.69 D. 1.63
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Solve the inequality.
> 
A. all real numbers B. no values C. x > -2 D. x < -2
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Find the perimeter.Joe wants to frame his garden with pine lumber. How feet of lumber will he need?
A. 380 ft B. 542 ft C. 37,154 ft D. 532 ft
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