Solve the problem.Find the area of the shaded region. Express the answer in terms of ?. 

A. ?- 25 square units
B. 5?- 5 square units
C. ? - 25 square units
D. 25 square units


Answer: C

Mathematics

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Find the derivative.y = 8

A. 7 B. 1 C. 0 D. 8

Mathematics

Determine whether the improper integral converges or diverges.

A. Diverges B. Converges

Mathematics

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.  = 

Mathematics

Evaluate the expression.4 ? 7 - 82

A. 36 B. 420 C. -36 D. 224

Mathematics