What is -2 and 2/3 devided by 3/8 (the number/number means its a fraction)

Someone me i need with this stuff

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?