PLEASE HELP Find the length of side a

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 graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation