HELP PLEASE ASSIGNMENT DUE TONIGHT ,SHOW WORK BELOW (I’ll give brainliest answer if correct )

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet