1. Find the LCM of 40 and 25

Drag each sequence of transformations to the correct location on the table. classify the sequences of transformations based on whether or not they prove the congruency of the shapes by mapping shape i onto shape ii. plz i'll rate u 5 stars need this done for a mastery test

Which one ? is the answer and how to find this answer

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°