How do you make 21 using 1234?

What is the face shape of a dodecahedron? Is 121 square number? Which ratio is the same proportion as 21 36? If x equals 4 what is the value of 2x plus 18? What is 39x4? What is transitive property for congruence of triangles? What is 9 50 in decimal form? What does the number 606 mean? What does Nine twelfth equal in a decimal? What times itself is 225? What is the canara bank 13 digit number of 10693? What is 2.5 less than a number d expression? What are A B and C if A says l am a knave and B is a knight and B says Exactly one of the three of us is a knight? What is the speed of a bobsled whose distance-time graph indicates that if traveled 100m in 25sec? What is the gcf of 12 36 and 50? How fast is the sailfish in mile per hour? How many Pairs of shoes does rapper wale have? How do you convert 250 degrees into radians? What is 3 cups in pints as a fraction? How many 0.4 kms make 5 miles?