The equation p = 5s represents the perimeter p of a regular pentagon with side length s. what is the perimeter of a regular pentagon with side length 4 cm HELP PLEASE

Need asap. solve for the following inequality

Yvaries directly as x. y =90 when x=6. find y when x=13

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.)