Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. (5x + 1)(9x - 4) = -8
A. a = 45, b = 11, c = 12
B. a = 45, b = 11, c = -4
C. a = 45, b = -11, c = 4
D. a = 45, b = -11, c = -4
Answer: C
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Convert the Egyptian numeral to Hindu-Arabic form.
A. 3067 B. 367 C. 3607 D. 3670
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856
Find the exact value under the given conditions.cos ? = - 
, 
< ? < ?; sin ? = 
, 
< ? < ?Find tan(? + ?).
A. 
B. - 
C. 
D. - 
Match the following statements and reasons to complete the proof of:
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