The distance between two cities is 180 km. The distance was covered by a car at a rate of 50 km/h, by a bus at 45 km/h, by a truck at 40 km/h, and by a bicycle at 25 km/h. How long did each take to travel the entire distance? Are speed and time directly proportional or inversely proportional? What is the constant of variation?

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

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.)