Find the probability.A bag contains 8 red marbles, 2 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?
A. 
B. 
C. 9
D. 
Answer: B
Mathematics
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Find the vector projv u.v = 7i - 3j + k, u = -4j + 3k
A. 
i - 
j + 
k
B. - 
j + 
k
C. 
i - 
j + 
k
D. - 
j + 
k
Mathematics
Solve by the substitution method.0.6x + 0.4y = 1.20.7x - 0.1y = 3.1
A. {(4, -3)} B. {(-3, 4)} C. ? D. {(x, y)| 0.6x + 0.4y = 1.2}
Mathematics
If the number in the sentence is in scientific notation, convert it to decimal notation. If the number in the sentence is in decimal notation, convert it to scientific notation.A company produces 192,000 small appliances in one year.
A. 1.92 × 106 B. 1.92 × 105 C. 1.92 × 10-5 D. 19.2 × 104
Mathematics
For the function represented in the graph, determine the domain or range, as requested.Find the range.
A. [3, -3] B. {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5} C. [-3, 3] D. [-4, 3]
Mathematics