Find the greatest common factor of the terms.64a8b2, 40a5b8
A. 8a8b8
B. 8a5b2
C. 320a8b8
D. 4a3b6
Answer: B
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Use Stokes's Theorem to calculate 
.F = x5i + 9xj + 5k; S is the upper hemisphere of x2 + y2 + z2 = 100
A. ? B. 100 C. 100? D. 900?
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0 B. -12 C. 1 D. -4
Solve the problem.An object is traveling around a circle with a radius of 10 centimeters. If in 20 seconds a central angle of 
radian is swept out, what is the linear speed of the object?
A. 
cm/sec
B. 6 cm/sec
C. 6 radians/sec
D. 
radians/sec
Solve the problem.Sketch a graph that depicts the amount of water in a 50-gallon tank. The tank is initially full, and then a pump is used to take water out of the tank at a rate of 6 gallons per minute. The pump is turned off after 5 minutes. At that point, the pump is changed to one that will pump water into the tank. The change takes 2 minutes and the water level is unchanged during the switch. Then, water is pumped into the tank at a rate of 2 gallons per minute for 3 minutes.
A. 
B. 
C. 
D. 