Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.A curved bridge rises over a river, so that the two endpoints of the bridge are 140 yards apart horizontally. You walk across the bridge with a device to measure its length and discover that the walking distance is 142 yards. Approximately how high does the bridge rise above the horizontal?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use the integral test to determine whether the series converges.
A. diverges B. converges
Mathematics
Integrate using any method.
Mathematics
Find the area of the figure. Use 3.14 for ?. Round your answer to the nearest tenth.
A. 18.1 ft2 B. 35.8 ft2 C. 36.1 ft2 D. Not enough data
Mathematics