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Consider the following algorithm. What number should the algorithm return at step 9?

Step 1: Have the user input an integer -- call it $n$.

Step 2: Add 4 to n.

Step 3: Multiply the sum by 3.

Step 4: Add n to this product.

Step 5: Divide this sum by 2.

Step 6: Add 4 to this quotient.

Step 7: Divide this new sum by 2.

Step 8: Subtract n from this new quotient.

Step 9: Output this difference.

Wireless communications is likely to be viewed as an essential part of an enterprise network infrastructure when: select one: a. mobile communication is needed b. communication facilities must be installed at low initial cost c. communication must take place in a hostile or difficult terrain that makes wired communication difficult or impossible d. the same information must be broadcast to many locations

Which best describes the role or restriction enzymes in the analysis of edna a. to break dna into fragments that vary in size so they can be sorted and analyzed b. to amplify small amounts of dna and generate large amounts of dna for analysis c. to purify samples of dna obtained from the environment so they can be analyzed d. to sort different sizes of dna fragments into a banding pattern that can be analyzed

Lucas put a lot of thought into the design for his company's new white paper. he made sure to include repeating design elements such as color schemes and decorative images. his goal was to a. add symmetry b. create a unified publication c. provide consistency d. save money