And show working so I will now if you used a calculator or not​

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

Average acceleration: i have no idea how to do this.

Can someone check if i did this correct. it’s number 4 if you’re wondering.