Jana finished 1/4 of her homework at school and 2/3 of it before dinner. how much of her homework has she finished so far? !

I’m stuck on this equation, anyone got the answer?

4+(2+x) can you me solve this problem

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.