Simplify the expression.
+ 
- 
A. 4
B. 
C. 
D. 
Answer: A
Mathematics
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Solve.Given 2.3 inches is one side of a golden rectangle, find the length of the other side. Notice that the other side could be either longer or shorter than the given side. Use the approximation 
A. 3.73 in. or 1.42 in. B. 6.03 in. or 0.88 in. C. 3.73 in. or 0.70 in. D. 6.03 in. or 1.14 in.
Mathematics
Calculate the area of the surface S.S is the portion of the paraboloid z = 2x2 + 2y2 that lies between z = 2 and z = 3.
A. 
B. 
C. 
D. 
Mathematics
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = x3 + 6, g(x) = 
A. No, yes B. No, no C. Yes, no D. Yes, yes
Mathematics
Find the perimeter of the parallelogram.
A. 17.8 m B. 21.2 m C. 14 m D. 10.6 m
Mathematics