16. A customer of Fence Me In wants to increase both the length and width of a rectangular fenced area in her backyard by x feet. The new area in
square feet enclosed by the fence is given by the expression x2 + 30x + 200.
a. Factor the quadratic expression.
b. Reason quantitatively. What were the original length and width
of the fenced area? Explain your answer.

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)