Find the probability.An urn contains balls numbered 1 through 20. A ball is chosen, returned to the urn, and a second ball is chosen. What is the probability that the first and second balls will be a 6?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve.33.9 ? x = 1017
A. 30.0 B. 3 C. 31 D. 300
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Graph.y > 4x
A. 
B. 
C. 
D. 
Mathematics
Factor the expression completely. If the polynomial will not factor, write "prime."3n2 + 17n + 10
A. (n - 5)(3n - 2) B. (n + 5)(2n + 2) C. (n + 2)(3n + 5) D. (n + 5)(3n + 2)
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 165°
A. 
B. - 
C. 
D. - 
Mathematics