Solve the problem.Find the centroid of the region cut from the fourth quadrant by the circle x2 + y2 = 25.
A. 
= 
, 
= - 
B. 
= 
, 
= - 
C. 
= - 
, 
= 
D. 
= 
, 
= - 
Answer: D
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Solve the problem.How long will it take for prices in the economy to double at a 7% annual inflation rate? Round the answer to the nearest hundredth.
A. 16.24 years B. 10.24 years C. 9.01 years D. 23.45 years
(2x2 - 23x + 10) ö (x - 5) =
a. 2x - 2 b. 55 2x + 1 - ÄÄÄÄÄ x - 5 c. 55 x2 - 13 + ÄÄÄÄÄ x - y d. 55 2x - 13 - ÄÄÄÄÄ x - 5 e. 55 2x - 2 - ÄÄÄÄÄ x - 5
Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 12 cm B. 14.5 cm C. 72.5 cm D. 145 cm
Integrate the function.
A. 
sec-1 
x + C
B. 
sin-1 
x + C
C. 
sec-1 
x + C
D. 
sin-1 
x + C