Please help me with this

S-7< 3 i need answering this problem someone asap answer

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

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?