Which equation shows the same relationship as 1/2 = 3 x 1/6

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Im literally having a mental breakdown