Solve the problem.The length and width of a rectangle have a sum of 84. What dimensions give the maximum area?
A. Length 41 and width 43
B. Length 42 and width 42
C. Length 32 and width 52
D. Length 33 and width 51
Answer: B
Mathematics
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Subtract.
A. 3,833 B. 3,913 C. 3,917 D. 83
Mathematics
Solve the problem.In a right triangle with sides and angles as shown, express sin2 
in terms of a, b, and c. 
A. 
B. 
C. 
D. 
Mathematics
Find the general equation of the orthogonal trajectories of the curves for the given equations.The curves y = c sin x
A. y2 + 2 ln 
= c
B. y2 = 2 ln 
+ c
C. y2 = 2 ln 
+ c
D. y2 = ln 
+ c
Mathematics
Find the quotient.
A. 19.07 B. 1.907 C. 9.07 D. 0.907
Mathematics