How do you solve this rational function?

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

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?

Which strategy is used by public health to reduce the incidence of food poisoning?