Answer this math question what is 0.4 x 0.5 =

Two rigid transformations are used to map abc to qrs. the first is a translation of vertex b to vertex r. what is the second transformation? a reflection across the line containing ab a rotation about point b a reflection across the line containing cb a rotation about point c

How do i do this? i don’t understand

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did