Which best describes the solution to 4 – 7? because –4 + (–7) is an equivalent expression, the answer is –11. because 4 + (–7) is an equivalent expression, the answer is –3. because 4 + (–7) is an equivalent expression, the answer is –11. because –4 + (–7) is an equivalent expression, the answer is –3

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.)