Help me do this, please!!

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

Which graph represents the given linear function 4x+2y=3

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)