What is the best approximation of the volume, in cubic units, of a cone of diameter 20 and height 13

Triangle inequality theorem state if each set of three numbers can be the lengths of the sides of a triangle. 1. 9, 8, 22. 2. 5,10,12. 3. 7,10,22. 4. 4,11,12. 5. 11,9,10. 6. 10,4,19. 7. 3,12,10. 8. 4,3,2. 9. 6,5,13. 10. 7,12,20. me .

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.