What is 1/3+3/6+-3/10

Me what is the value of x? showing work would be appreciated - ! : )

What is an alternate exterior angle

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?