Solve the problem.The position of an object moving in a straight line is given by s = 2t2 - 3t, where s is in meters and t is the time in seconds the object has been in motion. How long will it take the object to move 9 meters?
A. 13.5 sec
B. 10.0 sec
C. 2.8 sec
D. 3.0 sec
Answer: D
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Change to a percent.7
A. 7.7% B. 77% C. 0.77% D. 770%
Solve the problem.The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is 
kiloPascals (kPa) when the number of moles is 8, the temperature is 
, and the volume is 
, find the pressure when the number of moles is 7, the temperature is 
, and the
volume is 
.
A. 816 kPa
B. 1536 kPa
C. 1632 kPa
D. 864 kPa
Solve the problem.A banquet dinner is being organized by a club. The actual cost of the dinner is $35 per person. The members are to pay $7 to attend, with the club making up the difference. What percentage of the dinner's cost is the club going to pay?
A. 90% B. 80% C. 75% D. 85%
Match the given equation with one of the graphs.x2 - y2 = 81
A. 
B. 
C. 
D. 