What is the simplest form of ((x-1)/(x^2-4x+3)) / ((5x-2)/(x^2-9))

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Landon wrote that 3−2.6=4. which statement about his answer is true?

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?