24x²/5xy simplified fully

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.