Can someone please help me I don’t get this

The triangles are similar. what is the value of x? x=

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73