Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.The first marble is blue and the second marble is red.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the improper integral.
A. 90 B. 120 C. 180 D. 150
Mathematics
Graph.f(x) = 
x + 3
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations by Gaussian elimination.
A. {(2, 0, -4)} B. {(0, -4, 2)} C. {(2, -4, 0)} D. ?
Mathematics
Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. (c - 1)(c - 2)(c - 7) > 0
A. (7, ?)
B. (-?, 1) ? (2, 7)
C. (-?, 2)
D. (1, 2) ? (7, ?)
Mathematics