In which direction would a box move if it were being pulled with 45n to the right and 55n to the left

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

What do transitional fossils best support?

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.