An electrolyte solution has an average current density of 1 ampere per square decimeter

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.