Solve the problem.A triangular lake-front lot has a perimeter of 1500 feet. One side is 400 feet longer than the shortest side, while the third side is 500 feet longer than the shortest side. Find the lengths of all three sides.
A. 100 ft, 200 ft, 300 ft
B. 300 ft, 700 ft, 800 ft
C. 300 ft, 300 ft, 300 ft
D. 200 ft, 600 ft, 700 ft
Answer: D
Mathematics
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Find v ? u.v = 4i - 8j and u = -9i + 3j
A. -12 B. -5i - 5j C. -36i - 24j D. -60
Mathematics
Evaluate the integral by changing the order of integration in an appropriate way.
A. 
ln 344
B. 1 ln 2402
C. 
ln 2402
D. 1 ln 344
Mathematics
Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 
B. 
C. 2
D. 
Mathematics
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 9x + 3;
Find (g ? f)(x).
A. x
B. x - 
C. x + 6
D. 9x + 24
Mathematics