Factorise:
Xsquared + 7x + 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 .

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)