Divide.
A. -27x6 + 36x5 - 45x4
B. -3x6 + 4x5 - 5x4
C. -27x10 + 36x9 - 45x8
D. -3x10 + 4x9 - 5x8
Answer: B
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Solve the problem.At noon, ship A was 15 nautical miles due north of ship B. Ship A was sailing south at 15 knots (nautical miles per hour; a nautical mile is 2000 yards) and continued to do so all day. Ship B was sailing east at 5 knots and continued to do so all day. The visibility was 5 nautical miles. Did the ships ever sight each other?
A. No. The closest they ever got to each other was 5.7 nautical miles. B. No. The closest they ever got to each other was 4.7 nautical miles. C. Yes. They were within 3 nautical miles of each other. D. Yes. They were within 4 nautical miles of each other.
Solve the equation.11w = 144 - 5w
A. 9
B. 128
C. 
D. 
Use addition, subtraction, or multiplication to solve the problem.The list price of a car is $13,973. The manufacturer offers a rebate of 
What is the final price of the car?
A. $13,143 B. $14,703 C. $14,803 D. $13,043
Solve the equation by expressing each side as a power of the same base and then equating exponents. 4x = 
A. {-3}
B. {3}
C. 
D. 