Factor the expression completely.4x2 + 16x + 16
A. 4(x + 2)2
B. 4(4x + 2)(x + 8)
C. 4(4x + 2)2
D. 4(x - 2)2
Answer: A
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Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(0, -9); m = 5
A. y = 5x + 9 B. y = 5x - 9 C. y = -5x - 7 D. y = 5x + 11
Complete the identity.cos 
= ?
A. sin x B. cos x C. -cos x D. -sin x
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
Solve the linear equation.4(2z - 4) = 7(z + 5)
A. -19 B. 19 C. 51 D. 23