What is the difference between a constant and variable graph of a line

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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 .

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9