Solve the equation.
+ 5 = x
A. 2, 9
B. 9
C. 9, 18
D. 2
Answer: B
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If 
, find a formula for 
.
?
A. 
B. 
C. 
D. 
A delivery truck must deliver packages to five different store locations (A, B, C, D, and E). The trip must start and end at D. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
Using both the cheapest-link and the repetitive nearest-neighbor algorithm, the length of the shortest trip we can find (without using brute force) is:
A. 50 miles. B. 63 miles. C. 58 miles. D. 52 miles. E. none of these
Work the problem. Give the answer in scientific notation, rounded to two decimal places, unless otherwise indicated.Assume that the volume of the earth is 4.98 × 1014 cubic meters and the volume of a bacterium is 
cubic meters. If the earth could be filled with bacteria, how many would it contain?
A. 2.00 × 1030 bacteria B. 5.00 × 1031 bacteria C. 5.00 × 10-31 bacteria D. 2.00 × 10-30 bacteria
Solve the problem.Bubba's Computer World sells personal computers. To advertise its computers to target groups, they advertise with x one-minute spots on local television at a cost of $240 per minute, and y one-minute spots on radio, at a cost of $200 per minute. Research shows that they sell one computer for every 3 minutes of television advertising, and one computer for every 6 minutes of radio advertising. Suppose the company has at most $50,000 to spend on advertising and that they sell at least 50 computers per month from this advertising. Graph the possible combination of television and radio spots and find the vertices. 
A. 
B. 
C. 
D. 