John had 5 houses. he sold 1/5 of them. how many of are left?

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

Which equation can be solved to find x the measure of jk in the apex

Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.