Solve.The dimensions of the sides of the following figures are labeled. Create a polynomial that describes the sum of the area of these figures.

A. xy + 4x2 + 4y2
B. xy + 3x2 + 3y2
C. xy + x2 + y2
D. 3x2y2


Answer: B

Mathematics

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Solve the problem.Two sound waves, producing the pressures  and  combine on a person's ear drum to produce the pressure   Find the amplitude and phase shift for the total pressure.

A. A = 2.2, ? = 849.079 B. A = 2.2, ? = 0.9273 C. A = 5, ? = 849.079 D. A = 5, ? = 0.6435

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A. x - 4
B. x ?  
C. x ? 4
D. x ÷  

Mathematics

If you borrow money at an APR of r as a decimal, then under certain conditions your monthly payment will be . ? A:  Make a graph of M versus t. Include interest rates of up to 10% (corresponding to ).B:  Your budget allows a monthly payment of $150.  What is the largest interest rate you can accept? ? ?

What will be an ideal response?

Mathematics