Solve the problem.Given a triangle with 
, 
, what is (are) the possible length(s) of c? Round your answer to two decimal places.
A. 16.42 or 2.44
B. 14.21
C. 6.61
D. 16.42 or 3.41
Answer: A
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Find the formula for the function.Express the area of a circle as a function of its radius r.
A. A = 2?r B. A = ?r3 C. A = ?r2 D. A = ?r
Evaluate the integral.
A. 
ln
+ C
B. 
ln
+ C
C. 
ln
+ C
D. 5 ln
+ C
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
Divide.
A. 3 - 
i
B. - 
- 3i
C. 
+ 3i
D. -3 + 
i