Simplify the expression.
A. - 
B. 
C. 
D. 
Answer: B
Mathematics
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Use implicit differentiation to find dy/dx.xy + x + y = x2y2
A. 
B. 
C. 
D. 
Mathematics
In a certain city there is a river running through the middle of the city. There are three islands and seven bridges as shown in the figure below.
In the graph that models this situation, the degree of the vertex that represents island A is
A. 3. B. 2. C. 1. D. 4. E. none of these
Mathematics
Give the place value of the underlined digit.8
27
A. hundred B. ones or unit C. thousand D. ten
Mathematics
Solve.Let f(x) = 9x + 2 and g(x) = 5x2 + 5. Find f(2) ? g(2) .
A. 400 B. 500 C. 360 D. 450
Mathematics