If a line segment has endpoint a(3x+5,3y) and b(x-1,-y), what are the coordinates of the mid point of line ab

Name the type of angle shown.calculation tip: common types of angles are zero, straight, right, acute, or obtuse.

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

∆red ≅ ∆ by rule will give brainiest if possible