Solve the given applied problems involving variation.The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 2 amperes when the resistance is 680 ohms. What is the current when the resistance is 354 ohms?
A. 0.26 amperes
B. 1 amperes
C. 3.8 amperes
D. 0.96 amperes
Answer: C
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Find the distance between the pair of points on the number line.15, 3
A. -12 B. 18 C. 4 D. 12
For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (9 sin t)i - (6 cos 5t)j +e-9tk ; to = 0
A. x = 9, y = -6t, z = -9 + t B. x = 9t, y = -6, z = 1 - 9t C. x = 9t, y = -6, z = 1 - t D. x = 9t, y = 6, z = 1 + t
Use the roster method to write the given set of numbers. Interpret "between a and b to include both a and b."The first six natural numbers
A. {0, 1, 2, 3, 4, 5} B. {1, 2, 3, 4, 5, 6} C. {0, 1, 2, 3, 4, 5, 6} D. {0, 2, 4, 6, 8, 10}
Find all cube roots of the complex number. Leave answers in trigonometric form.-6
- 6i
A. 
cis 70°, 
cis 190°, 
cis 310°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 80°, 
cis 200°, 
cis 320°