Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 
B. - 
C. 
D. 
Answer: C
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A delivery truck must deliver packages to 6 different store locations (A, B, C, D, E, and F). The trip must start and end at A. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
Using only the nearest-neighbor, repetitive nearest-neighbor, and cheapest-link algorithms (not brute force) on this graph,
A. the cheapest-link and the repetitive nearest-neighbor algorithms both yield the shortest trip. B. the nearest-neighbor algorithm yields the shortest trip. C. the nearest-neighbor and the repetitive nearest-neighbor algorithms both yield the shortest trip. D. the repetitive nearest-neighbor algorithm yields the shortest trip. E. the cheapest-link algorithm yields the shortest trip.
Determine whether the network is an Euler circuit.
A. Yes B. No
A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given. Round to the nearest hundredth when necessary.C = 2?r; C = 31.40, ? = 3.14
A. r = 10 B. r = 5 C. r = 197.19 D. r = 34.54
Solve.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches, according to the function 
What rainfall produces the maximum number of mosquitoes?
A. 9.5 in. B. 19 in. C. 361 in. D. 0 in.