Which one is smaller

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

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?