Winston has 4 liters of jam every day. how many days does Winston need to spend makeing jam if he wants to jar 28 liters of jam in all?

The coordinate grid shows points a through k. which points are solutions to the system of inequalities listed below? 2x+ ys 10 2x 4y < 8 oa c, d, k o e, f. g, j oa, c, d, h, k oe, f. g, h, j

Ineed with math stuff it involves graphs

Can someone, me with this. i really need with this