The sum of nine times a number and fifteen is less than or equal to the sum of twenty four and ten times the number

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?

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Idon’t know what to do after i plot my first shape