today john ran 15 miles in 2 hours and 30 minutes. He wants to represent the relationship of the distance re ran, in miles, in hours, as proportional in order to examine his times in various distances. Write an equation that jogn can use to represent a proportional relationship between the distance, in miles, in time, in hours.

What is sin 7x/4 ? i need on this urgent trig

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0