Find the partial fraction decomposition.
A. 
+ 
+ 
B. 
- 
C. 
+ 
- 
D. 
+ 
- 
Answer: C
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Solve.A buyer plans to sell a certain group of dresses in her store for $45 each. She needs to achieve a 65% markup over her cost. What should she pay her supplier per dress in order to meet her goal? (Round to the nearest cent.)
A. $32.57 B. $27.27 C. $19.42 D. $41.31
Solve the triangle.b = 5, c = 7, A = 80°
A. a = 7.86, B = 61.2°, C = 38.8° B. a = 6.86, B = 61.2°, C = 38.8° C. a = 7.86, B = 38.8°, C = 61.2° D. a = 8.86, B = 38.8°, C = 61.2°
Solve the problem.The annual population density of a species of insect after n years is modeled by a sequence. Suppose that the initial density of insects is 628 with r = 1.6. Write a recursive sequence that describes this data, where an denotes the insect density during year n.Find the terms a1 , a2 , a3 , ...... until you are able to interpret the results.
A. The population density increases by 60% per year. B. The population density decreases by 60% per year. C. The population density increases by 40% per year. D. The population density decreases by 40% per year.
Determine whether the ordered pair satisfies the equation.x + y = 5; (3, 2)
A. Yes B. No