On a school trip the ratio of a number of teachers to the number of students is 1 : 15. The ratio of the numbers of male students to the number of female students is 7 : 5. Work out what percentage of all the people of the trip are female students. Give your answer correct to the nearest whole number

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}.