The scale of a map says the 4 cm represents 5 km. what distance on the map (in centimetres) represents an actual distance of 4 km. HELP

What is coefficient of the term of degree of degree 5 in the polynomial below

Find the interior angle of a regular polygon which has 6 sides

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