Please help! (10 points ;))

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

If rt is greater than ba, which statement must be true ?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.