Solve.A bag contains 8 red marbles, 6 blue marbles, and 5 green marbles. What is the probability of choosing a blue marble when one marble is drawn?
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the cardinal number for the set.B = {x|x ? N and 1 ? x < 9}
A. 8 B. 10 C. 7 D. 9
Mathematics
Identify the interval where f is increasing or decreasing, as indicated. Express your answer in interval notation.f(x) = (x + 3)2 + 4; increasing
A. [-3, ?) B. (-?, 0] C. [4, ?) D. (-?, -3]
Mathematics
Write as a decimal.56.7%
A. 0.567 B. 0.0567 C. 0.457 D. 5.67
Mathematics
Solve.Given that a1 = -4, a2 = -4 and an+2 = an+1 - 4an, what is the fifth term of this recursively defined sequence?
A. a5 = -308 B. a5 = 764 C. a5 = -20 D. a5 = 28
Mathematics