Please someone help I really need it and please answer if you can give me the answer I will give brainleast just please help me with this

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

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,