Find the area of the shaded region.The top surface of the wings of a test plane must be coated with a special lacquer that costs $100 per square meter. Find the cost to coat the white wing surface of the plane.
A. $26,450.00
B. $84,640.00
C. $18,400.00
D. $9200.00
Answer: C
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Solve the problem.Yvette has up to $5000 to invest and has chosen to put her money into telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 5 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let 
to be invested in telecommunications and 
to be invested in pharmaceuticals.
A. x + y = 5000 x ? 5y x ? 0 y ? 0 B. x + y = 5000 y ? 5x x ? 0 y ? 0 C. x + y ? 5000 5x ? y x ? 0 y ? 0 D. x + y ? 5000 x ? 5y x ? 0 y ? 0
Solve the equation by factoring.x2 - 11x = -28
A. {-4, 7} B. {-4, -7} C. {7, 4} D. {-7, 7}
Refer to a triangle ABC.If A = 23.2° and B = 72.5°, find C.
A. 54.3° B. 174.3° C. 84.3° D. 264.3°
The graph of the function y = f(x) is given. On the same axes, sketch the graph of f-1(x). Use a dashed line for the inverse function.
A. 
B. 
C. 
D. 