Convert the given polar coordinates of the point to rectangular coordinates.(10, 45°)
A. (5
, 5)
B. (-5
, -5)
C. (5
, 5
)
D. (-5, -5
)
Answer: C
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Graph the function. State whether it is increasing, decreasing, or constant..h(x) = - 
x + 1
A. increasing
B. decreasing
C. decreasing
D. decreasing
A diagnostic test for a certain disease has a sensitivity of 0.98 and a specificity of 0.96. The probability that a patient has the disease is estimated as 0.2. The diagnostic test is given and returns negative. What is the posterior probability that the patient does not have the disease?
What will be an ideal response?
Find all indicated roots. Write your answer in the specified form.Cube roots of 1; rectangular form
A. -1, 1
B. 1, - 
+ 
i, - 
- 
i
C. 1, 
- 
i, - 
- 
i
D. 1, 
+ 
i, - 
+ 
i
Factor completely. If the polynomial cannot be factored, say it is prime.25x2 - 81
A. (25x + 1)(x - 81) B. (5x + 9)2 C. (5x - 9)2 D. (5x + 9)(5x - 9)