Kyle is making a model of a portion of the hudson river bed. the scale he is using is 5 miles=1 inch. if his model is 50 inches long, how long is the actual portion of hudson’s river?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!