Write the event as a set of outcomes.When we roll two dice, the total showing is eight.
A. {(1, 7), (2, 6), (3, 5), (4, 4), (5, 3), (6, 2), (7, 1)}
B. {(2, 6), (3, 5), (4, 4), (5, 3), (6, 2)}
C. {(2, 6), (3, 5), (5, 3), (6, 2)}
D. {(2, 6), (3, 5), (4, 4)}
Answer: B
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Perform the indicated operation.(5x3 + 9x5 - 3 - 3x4) - (-2 - 5x4 + 6x5 + 9x3)
A. 3x5 - 8x4 + 14x3 - 5 B. 15x5 - 8x4 + 14x3 - 5 C. 3x5 + 2x4 - 4x3 - 1 D. 15x5 - 8x4 + 14x3 - 1
Find the product.8(7x - 1)
A. 7x - 8 B. 48x C. 56x - 1 D. 56x - 8
Solve the problem.Two pipes can fill a large tank in 10 hours. One of the pipes, used alone, takes 15 hours longer than the other to fill the tank. How long would each pipe take to fill the tank alone?
A. 12.5 hr for one 25 hr for the other B. 10 hr for one 20 hr for the other C. 15 hr for one 30 hr for the other D. 25 hr for one 50 hr for the other
Look for a pattern and then predict the general term, or nth term, an, of the sequence.
, 
, 
, 3, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 