Find the probability.A lottery game has balls numbered 1 through 19. What is the probability of selecting an even numbered ball or a 7?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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For the given statement Sn, write the statements S1, Sk, and Sk+1.2 + 4 + 8 + . . . + 2n = 2n + 1 - 2
What will be an ideal response?
Mathematics
Solve the system by the elimination method.2x + 4y = 0-8x - 16y = -0
A. {(2, 3)} B. {(3, -5)} C. ? D. {(x, y)| 2x + 4y = 0}
Mathematics
Simplify the expression. Assume that all variables are positive.
1/4
A. 
B. 
C. 
D. 2x2
Mathematics
Divide.
A. x2 + 2
B. x2 + 2 + 
C. x2 + 2x + 
D. x2 + 2x + 4 + 
Mathematics