What is the name of a polygon with five sides?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.