The perimeter of a rectangle is 
m, and its area is 
. Find its dimensions.
A. 
B. 
C. 
D. 
E. 
Answer: C
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Use a vertical format to add the polynomials.1.8x3 + 7.9x2 + 4.8 6.9x - 2.8 -3.7x2 + x + 9.9______________________
A. 1.8x3 + 4.2x2 + 7.9x + 11.9 B. 1.8x3 + 4.2x2 + 6.9x + 11.9 C. 13.9x6 + 11.9 D. 1.8x3 + 11.6x2 + 5.9x - 7.9
Solve the problem.A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-fifth as much light per unit area as clear glass does. The total perimeter is fixed. Find the proportions of the window that will admit the most light. Neglect the thickness of the frame.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Graph and state the domain and the range of the function.f(x) = ex + 4
A. Domain: (0, ?)
Range: ?
B. Domain: ?
Range: (0, ?)
C. Domain: ?
Range: (4, ?)
D. Domain: ?
Range: (0, ?)
Determine whether the given ordered pair is a solution to the given system of equations.(3, -2); 
A. Yes B. No