Is Dentagon a 3d shape

What the answer to this problem 25-c equals 15? Is 120 minutes greater than 60 minutes? What is 62.5 percent of 500? What is 21 less than 70? Who has scored more than 100 tries? How do you plot the graph of a quadratic equation? What is the process of generating a quantity of solutions for a problem called? What is 25.43-21.20 rounding to the nearest dollar? How many side on a pentagon? 8x plus x equals 1 -8x plus 3x equals -3? Do the sides seven nine and 12 form a right triangle? What do the Roman Numerals XLVI stand for? What is negative five multiplied negative 4? How many 8th's are in one fourth? How do you get y by itself in the equation 3x-6y equals 9? What is the area of a half-circle with a radius of 12 ft square? How do you convert 29-50 into percent? What is three sevenths sixty-three? What is the genre of the song violet hour by sea wolf? What is the nearest ten rounded to 412825?