Solve the problem.An object is traveling around a circle with a radius of 20 meters. If in 10 seconds a central angle of 
radian is swept out, what is the linear speed of the object?
A. 
m/sec
B. 
m/sec
C. 
m/sec
D. 
m/sec
Answer: D
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Find the difference.- 
- 
A. - 
B. - 
C. - 
D. 
Use the circle graph to solve the problem.There are 18,000 students attending the local university. The circle graph shows the percentage of those students who attend different sporting events.
What percentage of students do not attend Soccer or Volleyball matches?
A. 57% B. 19% C. 43% D. 24%
Solve. Write the answer in simplest form.Find the perimeter of the parallelogram. Recall that the perimeter of a figure is the distance around the figure.
A. 
yd
B. 
yd
C. 
yd
D. 
yd
Solve the problem.Two sound waves, producing the pressures 
and 
combine on a person's ear drum to produce the pressure 
Find the amplitude and phase shift for the total pressure.
A. A = 5, ? = 0.6435 B. A = 2.2, ? = 0.9273 C. A = 5, ? = 1010.8083 D. A = 2.2, ? = 1010.8083