A snow cone Machine priced at $139 is on sale for 20% off the sales tax rate is 6.75% what is the price of the snowcone machine after the discount and sales tax?

This is about circle theorems. someone asap : (

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

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.)