Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
3
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the curvature of the curve r(t).r(t) = (3 + cos 7t - sin 7t)i + (9 + sin 7t + cos 7t)j + 2k
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Evaluate the expression using the order of operations.-
A. -20 B. 18 C. -24 D. 20
Mathematics
Write the Babylonian numeral as a Hindu-Arabic numeral.
?
A. 70 B. 68 C. 24 D. 65
Mathematics
Evaluate the line integral of f(x,y) along the curve C.f(x, y) = y2 + x2, C: the perimeter of the circle x2 + y2 = 25
A. 50? B. 10? C. 125? D. 250?
Mathematics