Subtract.
A. 67,858
B. 72,142
C. 82,142
D. 88,968
Answer: A
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Solve the problem.On a test, Sunita has an x percent chance of correctly answering a question for which she has not studied. The chance that she will correctly answer a question for which she has studied is 2x. She is happy to see that both of the first two questions on the test are questions for which she has studied. The chance that she doesn't answer either of these questions correctly is (1 - 2x)2, where x is expressed as a decimal. Multiply this expression.
A. 1 - 4x + 4x2 B. 1 + 4x - 4x2 C. 1 - 2x + 4x2 D. 1 - 4x2
Solve the problem.A twenty-five foot ladder just reaches the top of a house and forms an angle of 41.5° with the wall of the house. How tall is the house? Round your answer to the nearest 0.1 foot.
A. 18.8 ft B. 18.6 ft C. 18.7 ft D. 19 ft
Solve the problem.A piece of cheese weighing 
pound is to be divided into 6 equal portions. What will be the weight of each portion?
A. 
pound
B. 
pound(s)
C. 15 pounds
D. 2
pound(s)
Find the partial fraction decomposition.
A. 
+ 
B. 
- 
C. 
+ 
D. 
- 