Find the area of the shaded region. (Assume that given measurements are exact, and round approximate answers to the nearest tenth of a square unit, if required.)
?
, 
?
__________ ft2.
Fill in the blank(s) with the appropriate word(s).
4,988
Mathematics
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Use an identity to write the expression as a single trigonometric function or as a single number.
A. sin 7° B. cot 7° C. cos 7° D. tan 7°
Mathematics
Simplify the expression. 
÷ 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation. Simplify the result if possible.10 yd 2 ft + 11 yd 2 ft
A. 22 yd 2 ft B. 21 yd 2 ft C. 21 yd 1 ft D. 22 yd 1 ft
Mathematics
The graph of the second derivative, 
, is given.
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Determine the x-coordinates of all points of inflection of f(x), if any. (Assume that f(x) is defined and continuous everywhere in 
.)
?
A. 
B. 
C. 
D. 
E. 
Mathematics