11/12+(−7/12) how do i solve this fraction?

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Evan walked 5/8 mile to his friends house.then together they walked 7/12 mile to the movie theatre.which pair of fraction can evan use to find how far he walked in all?