Multiply or divide using a calculator and round as indicated.(-88,000) ÷ (9.05) × 50 (hundred thousands)
A. -400,000
B. -500,000
C. -490,000
D. -480,000
Answer: B
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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. 
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B. 
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C. 
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D. 
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Solve the problem.Find the area of the shaded region.
A. (100x2 - 3x - 9) sq. in. B. (97x2 - 9) sq. in. C. (97x2 + 9) sq. in. D. (103x2 - 9) sq. in.
Multiply.
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A. - 
i
B. - 
C. 
i
D. 
Solve using the quadratic formula. Write the solution set using interval notation.0.9x2 - 4.2x + 4.6 > 0
A. 
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B. 
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C. 
D. 
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