Can somebody please help me?:D

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1