Write an equation that expresses the relationship. Use k for the constant of proportionality.p varies directly as the square of q and inversely as the cube of r.
A. p + q2 - r3 = k
B. p = 
C. p = 
D. pq2r3 = k
Answer: C
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Solve the problem.Find the net price of a bicycle that lists for $189.95 if a discount rate of 10% is offered. Round to the nearest cent.
A. $170.96 B. $170.46 C. $19.00 D. $18.50
Solve the equation.2(5 + 3x) = 
A. {8}
B. {3}
C. 
D. {-3}
Perform the indicated operation(s). Simplify if possible.
+ 
- 
A. 
B. 
C. 
D. 
Solve the problem.At noon, ship A was 14 nautical miles due north of ship B. Ship A was sailing south at 14 knots (nautical miles per hour; a nautical mile is 2000 yards) and continued to do so all day. Ship B was sailing east at 
and continued to do so all day. The visibility was 5 nautical miles. Did the ships ever sight each other?
A. Yes. They were within 4 nautical miles of each other. B. No. The closest they ever got to each other was 7.3 nautical miles. C. Yes. They were within 3 nautical miles of each other. D. No. The closest they ever got to each other was 6.3 nautical miles.