I'm doing inequalities in class but i don't really understand them as well as i should

8x+2> 10
if i can get this maybe i can do the others

Factor the polynomial by its greatest common monomial factor.

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)