Use the given triangles to evaluate the expression. Rationalize all denominators. 
cot 60° - cos 45°
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Evaluate 
at t = 5 for the function w(x, y) = ey - ln x; x = t2, y = ln t.
A. 
B. 
C. 3
D. - 
Mathematics
Provide an appropriate response.On the bottom of the check, the checking account number is printed in:
A. script B. magnetic tape C. magnetic ink D. capitals
Mathematics
Evaluate the given binomial coefficient.
A. 42 B. 3 C. 60,480 D. 84
Mathematics
Find the indicated set given A = {-3, 0, 2, 5, 6, 11, 16, 23}, B = {-3, 0, 16, 23}, and 
B ? C
A. {-4, 16, 23} B. {16, 23} C. {11, 16, 23} D. {-7, -4, -3, 0, 11, 16, 23}
Mathematics