Evaluate the algebraic expression for the given values of the variables.2x2 - 5y2 for x = 3, y = 3
A. 3
B. -27
C. 63
D. -39
Answer: B
Mathematics
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Find the curvature of the space curve.r(t) = 
(1 + t)3/2i +
(1 - t)3/2j + 
tk
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.The formula for finding the volume of a square pyramid is V = 
s2h, where the s is the side of the base and h is the height. Determine the volume of a 47 cm high pyramid with sides of length 33.45 cm.
A. 17,530 cubic cm B. 20,000 cubic cm C. 18,000 cubic cm D. 25,000 cubic cm
Mathematics
Evaluate.If f = 
and g(x) = 2x + 7, find f(5) + g(5).
A. 22 B. 44 C. 8 D. 16
Mathematics
Find the indefinite integral.
Mathematics