Perform the indicated operation. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Answer: A
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Give the amplitude or period as requested.Amplitude of y = 5 cos 
x
A. 
B. 
C. 5
D. 8?
Determine whether the vectors v and w are parallel.v = 
, w = 
A. Parallel B. Not parallel
Solve the problem.In applying the brute-force algorithm to solve a traveling salesman problem on a graph with 20 vertices, you use a supercomputer that computes 1 billion (that's 109) circuits per second. There are 31,536,000 seconds in a year. Roughly how long would it take for the supercomputer to solve this problem?
A. approximately 31 years B. approximately 77 years C. approximately 15 years D. approximately 1.5 years E. approximately 4 years
Find the volume of the circular cone. Use 3.14 for ? and round as indicated. Round to the nearest whole number.
A. 25 cm3 B. 113 cm3 C. 19 cm3 D. 75 cm3