It says that j has to be between 50 and 100 so the domain would be 50≤j≤100
Chile its 11.5 (it won't let me put just that so ima spam :)))Ah
The factor is (x+2)(x+8). I hope this helps. :)
Answer:
these are the equivalwnt expressions 4/5×15=4×5/15; 5×3=3×15/5
Well u add up the surface are of all the numbers showed then, You multiply the nuber u got (or 48) times two. So the answer is 96 cm3