The length of the inclined plane divided by the vertical rise, or you can call it run to rise ratio. The mechanical advantage would increase as the slope of the incline decreases, but problem is that the load will have to go a longer distance. The mechanical advantage would be slope of the incline. I also got confused on a question like this and did some research. Hope this helps!
AMPERE - a unit of measure for the flow of the current in a circut
Well I would think all of them in some way. For the first one, students need to collect data (whether it’s mathematical, scientific, etc.) to answer a question. For the second one, they may need to know how much money is in there bank account or they may need to calculate a sale to order the item. For the third one, they may need statistical data to support a position. For the last one, a student could use technological data to be able to solve their problem sorting documents.