Simplify by writing with positive exponents. Evaluate if necessary. Assume that all variables represent nonzero real numbers.
-2
A. - 
B. 
C. - 
D. 
Answer: D
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Write a voter profile for the voting situation.Eight voters are asked to rank 3 brands of automobiles: A, B, and C. The eight voters turn in the following ballots showing their preferences in order:
Write a voter profile for these ballots.
A. 
B. 
C. 
D. 
Solve the problem.A long strip of sheet metal 12 inches wide is to be made into a small trough by turning up two sides at right angles to the base. If the trough is to have maximum capacity, how many inches should be turned up on each side?
A. 6 in. B. 3 in. C. 4 in. D. 4 in. on one side, 5 in. on the other
Provide an appropriate response.A card is selected randomly from a standard deck of 52 cards. LetA = event that the card is an ace.Give examples of events B, C, and D such that A and B are independent, A and C are dependent but not mutually exclusive, and A and D are mutually exclusive.
What will be an ideal response?
Perform the indicated operation.(8n7 - 12n6 - 2) - (6n7 - 9n6 - 6) + (n8 + 5)
A. n8 + 2n7 - 6n6 - 3 B. 8n13 C. n8 + 2n7 - 3n6 - 3 D. n8 + 2n7 - 3n6 + 9