Help plz it's a 9th grade question

Multiply. write your answer in simplest form. 3/8 x 5/7

What dimensions can créate more than one triangle ?

What are the interpretations of the line 3x - 15y = 60? x-intercept y-interception a: x 20 - y -4 b: x 5 - y 20 c: x -3 - y 15 d: x -4 - y 20