I need help with this cuestión n+10=23

Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa

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?

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq