Find the indicated term of the arithmetic sequence.
, 
, 0, . . . ;20th term
A. - 
B. - 
C. - 
D. - 
Answer: B
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Find the area or volume.Find the volume of the solid generated by revolving the area under y = 8e-x in the first quadrant about the y-axis.
A. 1 B. 32? C. 16? D. 8?
Find the product.(3x + 12)(3x - 12)
A. 3x2 - 72x - 144 B. 9x2 - 144 C. 9x2 - 72x - 144 D. 9x2 + 72x - 144
Solve the problem.The cost of a snow removal service for residential driveways is $65 per season plus $40 for each time the snow is removed.a) Write a linear equation that gives the cost, y, in terms of the number of times the snow is removed, x, for one season.b) Using the equation found in part a, find the cost after the snow has been removed 3 times.c) If the cost is $185, then how many times was the snow removed?
A. y = 65 + 35x; $170; 3 B. y = 65 + 40x; $185; 12 C. y = 65 + 40x; $185; 3 D. y = 65 + 45x; $170; 10
Solve the problem.Electrical systems are governed by Ohm's law, which states theV = IR, where V = voltage, I = current, and R = resistance. If the current in an electrical system is decreasing at a rate of 4 A/s while the voltage remains constant at 22 V, at what rate is the resistance increasing when the current is 24 A?
A. 
ohms/s
B. 
ohms/s
C. 
ohms/s
D. 
ohms/s