Dashaun is running at the speed of 7.2 miles per hour. he starts at mile marker 12. write and solve an equation to find the number of hours dashaun will run until he reaches mile marker 30.
quick! i'll do !

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)