Graph the solution set of the inequality and write it in interval notation.-2x ? 8
A. [4, ?)
B. (-?, -4]
C. [-4, ?)
D. (-?, 4]
Answer: B
Mathematics
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Write the ratio as a fraction in lowest terms.9 to 9
A. 
B. 
C. 
D. 
Mathematics
Decide whether the statement is true or false.The product of 6 positive factors and 8 negative factors is negative.
A. False B. True
Mathematics
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00
Mathematics
Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution.-2x + 8y - z = 2 x + 9y + 4z = 46 8x + y + z = 40
A. {(2, 6, 2)} B. {(5, 0, 6)} C. {(4, 2, 6)} D. {(4, -2, -6)}
Mathematics